{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "We strongly recommend the following industry cybersecurity best practices.\n\nhttps://www.se.com/us/en/download/document/7EN52-0390/\n* Locate control and safety system networks and remote devices behind firewalls and isolate them from the business network.\n* Install physical controls so no unauthorized personnel can access your industrial control and safety systems, components, peripheral equipment, and networks.\n* Place all controllers in locked cabinets and never leave them in the \u201cProgram\u201d mode.\n* Never connect programming software to any network other than the network intended for that device.\n* Scan all methods of mobile data exchange with the isolated network such as CDs, USB drives, etc. before use in the terminals or any node connected to these networks.\n* Never allow mobile devices that have connected to any other network besides the intended network to connect to the safety or control networks without proper sanitation.\n* Minimize network exposure for all control system devices and systems and ensure that they are not accessible from the Internet.\n* When remote access is required, use secure methods, such as Virtual Private Networks (VPNs). Recognize that VPNs may have vulnerabilities and should be updated to the most current version available. Also, understand that VPNs are only as secure as the connected devices.\nFor more information refer to the Schneider Electric Recommended Cybersecurity Best Practices document. \n",
        "title": "General Security Recommendations"
      },
      {
        "category": "general",
        "text": "This document provides an overview of the identified vulnerability or vulnerabilities and actions required to mitigate. For more details and assistance on how to protect your installation, contact your local Schneider Electric representative or Schneider Electric Industrial Cybersecurity Services: https://www.se.com/ww/en/work/solutions/cybersecurity/. These organizations will be fully aware of this situation and can support you through the process.\nFor further information related to cybersecurity in Schneider Electric\u2019s products, visit the company\u2019s cybersecurity support portal page: https://www.se.com/ww/en/work/support/cybersecurity/overview.jsp",
        "title": "For More Information"
      },
      {
        "category": "legal_disclaimer",
        "text": "THIS NOTIFICATION DOCUMENT, THE INFORMATION CONTAINED HEREIN, AND ANY MATERIALS LINKED FROM IT (COLLECTIVELY, THIS \u201cNOTIFICATION\u201d) ARE INTENDED TO HELP PROVIDE AN OVERVIEW OF THE IDENTIFIED SITUATION AND SUGGESTED MITIGATION ACTIONS, REMEDIATION, FIX, AND/OR GENERAL SECURITY RECOMMENDATIONS AND IS PROVIDED ON AN \u201cAS-IS\u201d BASIS WITHOUT WARRANTY OR GUARANTEE OF ANY KIND.  SCHNEIDER ELECTRIC DISCLAIMS ALL WARRANTIES RELATING TO THIS NOTIFICATION, EITHER EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SCHNEIDER ELECTRIC MAKES NO WARRANTY THAT THE NOTIFICATION WILL RESOLVE THE IDENTIFIED SITUATION. IN NO EVENT SHALL SCHNEIDER ELECTRIC BE LIABLE FOR ANY DAMAGES OR LOSSES WHATSOEVER IN CONNECTION WITH THIS NOTIFICATION, INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF SCHNEIDER ELECTRIC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. YOUR USE OF THIS NOTIFICATION IS AT YOUR OWN RISK, AND YOU ARE SOLELY LIABLE FOR ANY DAMAGES TO YOUR SYSTEMS OR ASSETS OR OTHER LOSSES THAT MAY RESULT FROM YOUR USE OF THIS NOTIFICATION. SCHNEIDER ELECTRIC RESERVES THE RIGHT TO UPDATE OR CHANGE THIS NOTIFICATION AT ANY TIME AND IN ITS SOLE DISCRETION",
        "title": "LEGAL DISCLAIMER"
      },
      {
        "category": "general",
        "text": "At Schneider, we believe access to energy and digital is a basic human right. We empower all to do more with less, ensuring Life Is On everywhere, for everyone, at every moment.\n\nWe provide energy and automation digital solutions for efficiency and sustainability. We combine world-leading energy technologies, real-time automation, software and services into integrated solutions for Homes, Buildings, Data Centers, Infrastructure and Industries.\n\nWe are committed to unleash the infinite possibilities of an open, global, innovative community that is passionate with our Meaningful Purpose, Inclusive and Empowered values.\n\nwww.se.com ",
        "title": "About Schneider Electric"
      },
      {
        "category": "summary",
        "text": "Schneider Electric is aware of multiple vulnerabilities in the Modicon Controller products.\nMarch 2023 Update: Remediation for the Modicon M580 CPU is available for download",
        "title": "Overview"
      },
      {
        "category": "details",
        "text": "\u003ctable\u003e\n\u003ctr\u003e\u003ctd\u003eM580 V4.02 Firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctd\u003eBMEP584040\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEH584040 and C\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEP586040 and C\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEH586040 and C\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEP581020 and H\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEP582020 and H\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEP582040 and H\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEP583020\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEP583040\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEP584020\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEP585040 and C\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEH582040 and C\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEP584040S\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEH584040S\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBMEH586040S\u003c/td\u003e\u003ctd\u003ehttps://www.se.com/us/en/product-range/62098-modicon-m580-pac-controller/#software-and-firmware\u003c/td\u003e\u003c/tr\u003e\n\u003c/table\u003e",
        "title": "Links to M580 V4.02 Firmware"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "cpcert@se.com",
      "name": "Schneider Electric CPCERT",
      "namespace": "https://www.se.com/ww/en/work/support/cybersecurity/security-notifications.jsp"
    },
    "references": [
      {
        "category": "self",
        "summary": "Modicon Controllers - SEVD-2019-281-02 PDF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2019-281-02\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2019-281-02_Modicon_Controllers.pdf"
      },
      {
        "category": "self",
        "summary": "Modicon Controllers - SEVD-2019-281-02 CSAF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2019-281-02\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=sevd-2019-281-02.json"
      },
      {
        "category": "external",
        "summary": "Recommended Cybersecurity Best Practices",
        "url": "https://www.se.com/us/en/download/document/7EN52-0390/"
      }
    ],
    "title": "Modicon Controllers",
    "tracking": {
      "current_release_date": "2024-08-13T00:00:00.000Z",
      "generator": {
        "date": "2024-08-13T00:00:00.000Z",
        "engine": {
          "name": "Schneider Electric CSAF Generator",
          "version": "1.2"
        }
      },
      "id": "SEVD-2019-281-02",
      "initial_release_date": "2019-09-26T12:53:28.000Z",
      "revision_history": [
        {
          "date": "2019-09-26T12:53:28.000Z",
          "number": "1.0.0",
          "summary": "Original Release"
        },
        {
          "date": "2019-12-10T12:53:28.000Z",
          "number": "2.0.0",
          "summary": "Fix now available for M580 firmware version 3.10 for CVE-2019-6841, CVE-2019-6843, CVE-2019-6844"
        },
        {
          "date": "2020-04-15T12:53:28.000Z",
          "number": "2.1.0",
          "summary": "Updated CWE for:\r\n\u2022 CVE-2019-6841\r\n\u2022 CVE-2019-6842\r\n\u2022 CVE-2019-6843\r\n\u2022 CVE-2019-6844\r\n\u2022 CVE-2019-6847"
        },
        {
          "date": "2022-08-09T12:53:28.000Z",
          "number": "3.0.0",
          "summary": "A fix is available in Modicon M580 V4.02 that addresses vulnerabilities related to FTP. The FTP protocol was previously required during firmware upgrade process, and it has been replaced by HTTPS protocol."
        },
        {
          "date": "2022-09-06T12:53:28.000Z",
          "number": "3.1.0",
          "summary": "The version number for Modicon M580 that addresses these vulnerabilities has been updated from V4.01 to V4.02."
        },
        {
          "date": "2022-10-11T00:00:00.000Z",
          "number": "4.0.0",
          "summary": "A clarification was added to the list of affected products by splitting Modicon M580 and Modicon M580 Safety CPU ranges. The purpose of the notification update is to inform customers that the latest fix Modicon M580 V4.02 does not apply to the Safety range of M580. It is highly recommended that customers using Modicon M580 Safety ranges continue to implement the mitigations shared in this document "
        },
        {
          "date": "2022-12-13T06:30:00.000Z",
          "number": "5.0.0",
          "summary": "The Modicon M580 SV4.02 firmware has been retracted for quality issues and is no longer available for download. Additional mitigations have been introduced for Modicon M580 CPU and M580 CPU Safety, and we urge customers to deploy these mitigations to further reduce the risk of potential exploitation of identified vulnerabilities."
        },
        {
          "date": "2023-03-14T06:30:00.000Z",
          "number": "6.0.0",
          "summary": "Remediation for the Modicon M580 CPU is available for download"
        },
        {
          "date": "2024-08-13T00:00:00.000Z",
          "number": "7.0.0",
          "summary": "Remediation for the Modicon M580 CPU Safety is available for download (page 4)."
        }
      ],
      "status": "final",
      "version": "7.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c4.02",
                "product": {
                  "name": "Schneider Electric Modicon M580 prior to 4.02",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c4.10",
                "product": {
                  "name": "Schneider Electric Modicon M580 prior to 4.10",
                  "product_id": "9",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMEP*",
                      "BMEH*"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "4.10",
                "product": {
                  "name": "Schneider Electric Modicon M580 v4.10",
                  "product_id": "10",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMEH*",
                      "BMEP*"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "Schneider Electric Modicon M580 All versions",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "4.02",
                "product": {
                  "name": "Schneider Electric Modicon M580 v4.02",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "Schneider Electric Modicon M340 All versions",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "Schneider Electric Modicon BMxCRA and 140CRA modules All versions",
                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon BMxCRA and 140CRA modules"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "Schneider Electric Modicon M580 All Versions",
                  "product_id": "7"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "Schneider Electric Modicon M340 All versions",
                  "product_id": "8"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 All versions"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cSV4.21",
                "product": {
                  "name": "Schneider Electric Modicon M580 CPU Safety (part numbers BMEP58*S \u0026 BMEH58*S) Versions prior to SV4.21",
                  "product_id": "6",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMEP58*S",
                      "BMEH58*S"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580 CPU Safety"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "SV4.21",
                "product": {
                  "name": "Schneider Electric Modicon M580 CPU Safety (part numbers BMEP58*S \u0026 BMEH58*S) Versions SV4.21",
                  "product_id": "11",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMEP58*S",
                      "BMEH58*S"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580 CPU Safety"
          }
        ],
        "category": "vendor",
        "name": "Schneider Electric"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Jared Rittle"
          ],
          "organization": "Cisco Talos"
        }
      ],
      "cve": "CVE-2019-6841",
      "cwe": {
        "id": "CWE-755",
        "name": "Improper Handling of Exceptional Conditions"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists which could cause a Denial of Service of the controller when upgrading the firmware with no firmware image inside the package using FTP protocol.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "8",
          "10",
          "11"
        ],
        "known_affected": [
          "2",
          "4",
          "5",
          "6",
          "9",
          "1"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.21 includes a fix for these vulnerabilities and is \r\navailable for download here: \r\nhttps://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware\r\n Important: customer needs to use version of EcoStruxure\u2122 \r\nControl Expert V16.0 HF001 minimum to connect with the latest \r\nversion of M580 CPU Safety. The software is available for \r\ndownload here: tps://www.se.com/ww/en/product-range/548-ecostruxurecontrol-expert-unity-pro/#software-and-firmware",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
        },
        {
          "category": "mitigation",
          "details": "Modicon M580 SV4.02 firmware has been retracted for quality issues and is no longer available for download. For specific questions or support, Customers are requested to contact Schneider Electric\u2019s Customer Care Center.\nCustomers should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "7"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "If If customers choose not to apply the remediation then they are encouraged\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "vendor_fix",
          "details": "Version 3.50 of Modicon M340 includes a fix for the vulnerability and is available for download here: https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/\nCustomers should use appropriate patching methodologies when applying these patches to their systems. We strongly recommend the use of back-ups and evaluating the impact of these patches in a Test and Development environment or on an offline infrastructure. Contact Schneider Electric\u2019s Customer Care Center if you need assistance removing a patch.\nIf customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed.\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu: \u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.",
          "product_ids": [
            "8"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
        },
        {
          "category": "mitigation",
          "details": "To mitigate the risks associated to the FTP weaknesses, users should immediately apply the following instructions.\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.",
          "product_ids": [
            "5"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.10 includes a fix for these vulnerabilities and is available for download here:\nhttps://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/\nIf customers choose not to apply the remediation then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\n\u2022Setup network segmentation and implement a firewall to block allunauthorized access to FTP port 21/TCP on the controllers\n\u2022Deactivate the FTP service when not needed using Unity Pro /Control Expert software\n\u2022Change the default FTP password (this procedure should also beapplied after each firmware upgrade of the controller) using Unity /Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022When upgrading a firmware in the controller make sure that thefirmware downloaded is compatible with the application alreadyavailable in the controller. If not the case, use Unity Pro / ControlExpert software to rebuild the application of your controller.\n\u2022Setup a secure communication according to the followingguideline \u201cModicon Controllers Platform Cyber SecurityReference Manual\u201d, in chapter \u201cSetup securedcommunications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022Use a BMENUA0100 module and follow the instructions toconfigure IPSEC feature as described in the chapter \u201cConfiguringthe BMENUA0100 Cybersecurity Settings\u201d:https://www.se.com/ww/en/download/document/PHA83350\n\u2022To remove the confidentiality issue from FTP protocol, use aBMENOC module and follow the instructions to configure IPSECfeature as described in the guideline \u201cModicon M580 -BMENOC03.1 Ethernet Communications Module, Installation andConfiguration Guide\u201d in the chapter \u201cConfiguring IPSECcommunications\u201d:https://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022Ensure the CPU is running with the memory protection activated byconfiguring the input bit to a physical input, for more details refer tothe following guideline \u201cModicon Controllers Platform CyberSecurity Reference Manual\u201d, \u201cCPU Memory Protection section\u201d:https://www.schneider-electric.com/en/download/document/EIO0000001999/\noNOTE: The CPU memory protection cannot be configuredwith Hot Standby CPUs. In such cases, use IPsec encryptedcommunication",
          "product_ids": [
            "1",
            "9",
            "2"
          ],
          "url": "https://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "2",
            "4",
            "5",
            "6",
            "9"
          ]
        }
      ],
      "title": "CVE-2019-6841"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Jared Rittle"
          ],
          "organization": "Cisco Talos"
        }
      ],
      "cve": "CVE-2019-6842",
      "cwe": {
        "id": "CWE-755",
        "name": "Improper Handling of Exceptional Conditions"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists which could cause a Denial of Service of the controller when upgrading the firmware with a missing web server image inside the package using FTP protocol.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "8",
          "10",
          "11"
        ],
        "known_affected": [
          "2",
          "4",
          "5",
          "6",
          "9"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.21 includes a fix for these vulnerabilities and is \r\navailable for download here: \r\nhttps://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware\r\n Important: customer needs to use version of EcoStruxure\u2122 \r\nControl Expert V16.0 HF001 minimum to connect with the latest \r\nversion of M580 CPU Safety. The software is available for \r\ndownload here: tps://www.se.com/ww/en/product-range/548-ecostruxurecontrol-expert-unity-pro/#software-and-firmware",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.10 includes a fix for these vulnerabilities and is available for download here:\nhttps://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/\nIf customers choose not to apply the remediation then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\n\u2022Setup network segmentation and implement a firewall to block allunauthorized access to FTP port 21/TCP on the controllers\n\u2022Deactivate the FTP service when not needed using Unity Pro /Control Expert software\n\u2022Change the default FTP password (this procedure should also beapplied after each firmware upgrade of the controller) using Unity /Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022When upgrading a firmware in the controller make sure that thefirmware downloaded is compatible with the application alreadyavailable in the controller. If not the case, use Unity Pro / ControlExpert software to rebuild the application of your controller.\n\u2022Setup a secure communication according to the followingguideline \u201cModicon Controllers Platform Cyber SecurityReference Manual\u201d, in chapter \u201cSetup securedcommunications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022Use a BMENUA0100 module and follow the instructions toconfigure IPSEC feature as described in the chapter \u201cConfiguringthe BMENUA0100 Cybersecurity Settings\u201d:https://www.se.com/ww/en/download/document/PHA83350\n\u2022To remove the confidentiality issue from FTP protocol, use aBMENOC module and follow the instructions to configure IPSECfeature as described in the guideline \u201cModicon M580 -BMENOC03.1 Ethernet Communications Module, Installation andConfiguration Guide\u201d in the chapter \u201cConfiguring IPSECcommunications\u201d:https://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022Ensure the CPU is running with the memory protection activated byconfiguring the input bit to a physical input, for more details refer tothe following guideline \u201cModicon Controllers Platform CyberSecurity Reference Manual\u201d, \u201cCPU Memory Protection section\u201d:https://www.schneider-electric.com/en/download/document/EIO0000001999/\noNOTE: The CPU memory protection cannot be configuredwith Hot Standby CPUs. In such cases, use IPsec encryptedcommunication",
          "product_ids": [
            "1",
            "9",
            "2"
          ],
          "url": "https://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/"
        },
        {
          "category": "vendor_fix",
          "details": "Version 3.50 of Modicon M340 includes a fix for the vulnerability and is available for download here: https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/\nCustomers should use appropriate patching methodologies when applying these patches to their systems. We strongly recommend the use of back-ups and evaluating the impact of these patches in a Test and Development environment or on an offline infrastructure. Contact Schneider Electric\u2019s Customer Care Center if you need assistance removing a patch.\nIf customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed.\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu: \u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.",
          "product_ids": [
            "4"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
        },
        {
          "category": "mitigation",
          "details": "Modicon M580 SV4.02 firmware has been retracted for quality issues and is no longer available for download. For specific questions or support, Customers are requested to contact Schneider Electric\u2019s Customer Care Center.\nCustomers should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "2"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "If If customers choose not to apply the remediation then they are encouraged\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "To mitigate the risks associated to the FTP weaknesses, users should immediately apply the following instructions.\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.",
          "product_ids": [
            "5"
          ],
          "restart_required": {
            "category": "none"
          }
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "2",
            "4",
            "5",
            "6",
            "9"
          ]
        }
      ],
      "title": "CVE-2019-6842"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Jared Rittle"
          ],
          "organization": "Cisco Talos"
        }
      ],
      "cve": "CVE-2019-6843",
      "cwe": {
        "id": "CWE-755",
        "name": "Improper Handling of Exceptional Conditions"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists which could cause a Denial of Service of the controller when upgrading the controller with an empty firmware package using FTP protocol.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "8",
          "10",
          "11"
        ],
        "known_affected": [
          "2",
          "4",
          "5",
          "6",
          "9"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Modicon M580 SV4.02 firmware has been retracted for quality issues and is no longer available for download. For specific questions or support, Customers are requested to contact Schneider Electric\u2019s Customer Care Center.\nCustomers should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "2"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "If If customers choose not to apply the remediation then they are encouraged\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.10 includes a fix for these vulnerabilities and is available for download here:\nhttps://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/\nIf customers choose not to apply the remediation then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\n\u2022Setup network segmentation and implement a firewall to block allunauthorized access to FTP port 21/TCP on the controllers\n\u2022Deactivate the FTP service when not needed using Unity Pro /Control Expert software\n\u2022Change the default FTP password (this procedure should also beapplied after each firmware upgrade of the controller) using Unity /Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022When upgrading a firmware in the controller make sure that thefirmware downloaded is compatible with the application alreadyavailable in the controller. If not the case, use Unity Pro / ControlExpert software to rebuild the application of your controller.\n\u2022Setup a secure communication according to the followingguideline \u201cModicon Controllers Platform Cyber SecurityReference Manual\u201d, in chapter \u201cSetup securedcommunications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022Use a BMENUA0100 module and follow the instructions toconfigure IPSEC feature as described in the chapter \u201cConfiguringthe BMENUA0100 Cybersecurity Settings\u201d:https://www.se.com/ww/en/download/document/PHA83350\n\u2022To remove the confidentiality issue from FTP protocol, use aBMENOC module and follow the instructions to configure IPSECfeature as described in the guideline \u201cModicon M580 -BMENOC03.1 Ethernet Communications Module, Installation andConfiguration Guide\u201d in the chapter \u201cConfiguring IPSECcommunications\u201d:https://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022Ensure the CPU is running with the memory protection activated byconfiguring the input bit to a physical input, for more details refer tothe following guideline \u201cModicon Controllers Platform CyberSecurity Reference Manual\u201d, \u201cCPU Memory Protection section\u201d:https://www.schneider-electric.com/en/download/document/EIO0000001999/\noNOTE: The CPU memory protection cannot be configuredwith Hot Standby CPUs. In such cases, use IPsec encryptedcommunication",
          "product_ids": [
            "1",
            "9",
            "2"
          ],
          "url": "https://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/"
        },
        {
          "category": "vendor_fix",
          "details": "Version 3.50 of Modicon M340 includes a fix for the vulnerability and is available for download here: https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/\nCustomers should use appropriate patching methodologies when applying these patches to their systems. We strongly recommend the use of back-ups and evaluating the impact of these patches in a Test and Development environment or on an offline infrastructure. Contact Schneider Electric\u2019s Customer Care Center if you need assistance removing a patch.\nIf customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed.\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu: \u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.",
          "product_ids": [
            "4"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
        },
        {
          "category": "mitigation",
          "details": "To mitigate the risks associated to the FTP weaknesses, users should immediately apply the following instructions.\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.",
          "product_ids": [
            "5"
          ],
          "restart_required": {
            "category": "none"
          }
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "2",
            "4",
            "5",
            "6",
            "9"
          ]
        }
      ],
      "title": "CVE-2019-6843"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Jared Rittle"
          ],
          "organization": "Cisco Talos"
        }
      ],
      "cve": "CVE-2019-6844",
      "cwe": {
        "id": "CWE-755",
        "name": "Improper Handling of Exceptional Conditions"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists which could cause a Denial of Service of the controller when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "8",
          "10",
          "11"
        ],
        "known_affected": [
          "2",
          "4",
          "5",
          "6",
          "9"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.21 includes a fix for these vulnerabilities and is \r\navailable for download here: \r\nhttps://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware\r\n Important: customer needs to use version of EcoStruxure\u2122 \r\nControl Expert V16.0 HF001 minimum to connect with the latest \r\nversion of M580 CPU Safety. The software is available for \r\ndownload here: tps://www.se.com/ww/en/product-range/548-ecostruxurecontrol-expert-unity-pro/#software-and-firmware",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.10 includes a fix for these vulnerabilities and is available for download here:\nhttps://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/\nIf customers choose not to apply the remediation then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\n\u2022Setup network segmentation and implement a firewall to block allunauthorized access to FTP port 21/TCP on the controllers\n\u2022Deactivate the FTP service when not needed using Unity Pro /Control Expert software\n\u2022Change the default FTP password (this procedure should also beapplied after each firmware upgrade of the controller) using Unity /Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022When upgrading a firmware in the controller make sure that thefirmware downloaded is compatible with the application alreadyavailable in the controller. If not the case, use Unity Pro / ControlExpert software to rebuild the application of your controller.\n\u2022Setup a secure communication according to the followingguideline \u201cModicon Controllers Platform Cyber SecurityReference Manual\u201d, in chapter \u201cSetup securedcommunications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022Use a BMENUA0100 module and follow the instructions toconfigure IPSEC feature as described in the chapter \u201cConfiguringthe BMENUA0100 Cybersecurity Settings\u201d:https://www.se.com/ww/en/download/document/PHA83350\n\u2022To remove the confidentiality issue from FTP protocol, use aBMENOC module and follow the instructions to configure IPSECfeature as described in the guideline \u201cModicon M580 -BMENOC03.1 Ethernet Communications Module, Installation andConfiguration Guide\u201d in the chapter \u201cConfiguring IPSECcommunications\u201d:https://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022Ensure the CPU is running with the memory protection activated byconfiguring the input bit to a physical input, for more details refer tothe following guideline \u201cModicon Controllers Platform CyberSecurity Reference Manual\u201d, \u201cCPU Memory Protection section\u201d:https://www.schneider-electric.com/en/download/document/EIO0000001999/\noNOTE: The CPU memory protection cannot be configuredwith Hot Standby CPUs. In such cases, use IPsec encryptedcommunication",
          "product_ids": [
            "1",
            "9",
            "2"
          ],
          "url": "https://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/"
        },
        {
          "category": "mitigation",
          "details": "Modicon M580 SV4.02 firmware has been retracted for quality issues and is no longer available for download. For specific questions or support, Customers are requested to contact Schneider Electric\u2019s Customer Care Center.\nCustomers should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "2"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "If If customers choose not to apply the remediation then they are encouraged\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "vendor_fix",
          "details": "Version 3.50 of Modicon M340 includes a fix for the vulnerability and is available for download here: https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/\nCustomers should use appropriate patching methodologies when applying these patches to their systems. We strongly recommend the use of back-ups and evaluating the impact of these patches in a Test and Development environment or on an offline infrastructure. Contact Schneider Electric\u2019s Customer Care Center if you need assistance removing a patch.\nIf customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed.\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu: \u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.",
          "product_ids": [
            "4"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
        },
        {
          "category": "mitigation",
          "details": "To mitigate the risks associated to the FTP weaknesses, users should immediately apply the following instructions.\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.",
          "product_ids": [
            "5"
          ],
          "restart_required": {
            "category": "none"
          }
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "2",
            "4",
            "5",
            "6",
            "9"
          ]
        }
      ],
      "title": "CVE-2019-6844"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Jared Rittle",
            "Patrick DeSantis"
          ],
          "organization": "Cisco Talos"
        }
      ],
      "cve": "CVE-2019-6847",
      "cwe": {
        "id": "CWE-755",
        "name": "Improper Handling of Exceptional Conditions"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists which could cause a Denial of Service of the FTP service when upgrading the firmware with a version incompatible with the application in the controller using the FTP protocol.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "8",
          "10",
          "11"
        ],
        "known_affected": [
          "2",
          "4",
          "5",
          "6",
          "9"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.21 includes a fix for these vulnerabilities and is \r\navailable for download here: \r\nhttps://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware\r\n Important: customer needs to use version of EcoStruxure\u2122 \r\nControl Expert V16.0 HF001 minimum to connect with the latest \r\nversion of M580 CPU Safety. The software is available for \r\ndownload here: tps://www.se.com/ww/en/product-range/548-ecostruxurecontrol-expert-unity-pro/#software-and-firmware",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.10 includes a fix for these vulnerabilities and is available for download here:\nhttps://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/\nIf customers choose not to apply the remediation then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\n\u2022Setup network segmentation and implement a firewall to block allunauthorized access to FTP port 21/TCP on the controllers\n\u2022Deactivate the FTP service when not needed using Unity Pro /Control Expert software\n\u2022Change the default FTP password (this procedure should also beapplied after each firmware upgrade of the controller) using Unity /Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022When upgrading a firmware in the controller make sure that thefirmware downloaded is compatible with the application alreadyavailable in the controller. If not the case, use Unity Pro / ControlExpert software to rebuild the application of your controller.\n\u2022Setup a secure communication according to the followingguideline \u201cModicon Controllers Platform Cyber SecurityReference Manual\u201d, in chapter \u201cSetup securedcommunications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022Use a BMENUA0100 module and follow the instructions toconfigure IPSEC feature as described in the chapter \u201cConfiguringthe BMENUA0100 Cybersecurity Settings\u201d:https://www.se.com/ww/en/download/document/PHA83350\n\u2022To remove the confidentiality issue from FTP protocol, use aBMENOC module and follow the instructions to configure IPSECfeature as described in the guideline \u201cModicon M580 -BMENOC03.1 Ethernet Communications Module, Installation andConfiguration Guide\u201d in the chapter \u201cConfiguring IPSECcommunications\u201d:https://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022Ensure the CPU is running with the memory protection activated byconfiguring the input bit to a physical input, for more details refer tothe following guideline \u201cModicon Controllers Platform CyberSecurity Reference Manual\u201d, \u201cCPU Memory Protection section\u201d:https://www.schneider-electric.com/en/download/document/EIO0000001999/\noNOTE: The CPU memory protection cannot be configuredwith Hot Standby CPUs. In such cases, use IPsec encryptedcommunication",
          "product_ids": [
            "1",
            "9",
            "2"
          ],
          "url": "https://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/"
        },
        {
          "category": "vendor_fix",
          "details": "Version 3.50 of Modicon M340 includes a fix for the vulnerability and is available for download here: https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/\nCustomers should use appropriate patching methodologies when applying these patches to their systems. We strongly recommend the use of back-ups and evaluating the impact of these patches in a Test and Development environment or on an offline infrastructure. Contact Schneider Electric\u2019s Customer Care Center if you need assistance removing a patch.\nIf customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed.\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu: \u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.",
          "product_ids": [
            "4"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Modicon M580 SV4.02 firmware has been retracted for quality issues and is no longer available for download. For specific questions or support, Customers are requested to contact Schneider Electric\u2019s Customer Care Center.\nCustomers should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "2"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "If If customers choose not to apply the remediation then they are encouraged\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "To mitigate the risks associated to the FTP weaknesses, users should immediately apply the following instructions.\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.",
          "product_ids": [
            "5"
          ],
          "restart_required": {
            "category": "none"
          }
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "2",
            "4",
            "5",
            "6",
            "9"
          ]
        }
      ],
      "title": "CVE-2019-6847"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Jared Rittle"
          ],
          "organization": "Cisco Talos"
        }
      ],
      "cve": "CVE-2019-6846",
      "cwe": {
        "id": "CWE-319",
        "name": "Cleartext Transmission of Sensitive Information"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could cause an information disclosure when using the FTP protocol.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "8",
          "10",
          "11"
        ],
        "known_affected": [
          "2",
          "4",
          "5",
          "6",
          "9"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.21 includes a fix for these vulnerabilities and is \r\navailable for download here: \r\nhttps://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware\r\n Important: customer needs to use version of EcoStruxure\u2122 \r\nControl Expert V16.0 HF001 minimum to connect with the latest \r\nversion of M580 CPU Safety. The software is available for \r\ndownload here: tps://www.se.com/ww/en/product-range/548-ecostruxurecontrol-expert-unity-pro/#software-and-firmware",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware SV4.10 includes a fix for these vulnerabilities and is available for download here:\nhttps://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/\nIf customers choose not to apply the remediation then they are encouraged to immediately apply the following mitigations to reduce the risk of exploit:\n\u2022Setup network segmentation and implement a firewall to block allunauthorized access to FTP port 21/TCP on the controllers\n\u2022Deactivate the FTP service when not needed using Unity Pro /Control Expert software\n\u2022Change the default FTP password (this procedure should also beapplied after each firmware upgrade of the controller) using Unity /Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022When upgrading a firmware in the controller make sure that thefirmware downloaded is compatible with the application alreadyavailable in the controller. If not the case, use Unity Pro / ControlExpert software to rebuild the application of your controller.\n\u2022Setup a secure communication according to the followingguideline \u201cModicon Controllers Platform Cyber SecurityReference Manual\u201d, in chapter \u201cSetup securedcommunications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022Use a BMENUA0100 module and follow the instructions toconfigure IPSEC feature as described in the chapter \u201cConfiguringthe BMENUA0100 Cybersecurity Settings\u201d:https://www.se.com/ww/en/download/document/PHA83350\n\u2022To remove the confidentiality issue from FTP protocol, use aBMENOC module and follow the instructions to configure IPSECfeature as described in the guideline \u201cModicon M580 -BMENOC03.1 Ethernet Communications Module, Installation andConfiguration Guide\u201d in the chapter \u201cConfiguring IPSECcommunications\u201d:https://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022Ensure the CPU is running with the memory protection activated byconfiguring the input bit to a physical input, for more details refer tothe following guideline \u201cModicon Controllers Platform CyberSecurity Reference Manual\u201d, \u201cCPU Memory Protection section\u201d:https://www.schneider-electric.com/en/download/document/EIO0000001999/\noNOTE: The CPU memory protection cannot be configuredwith Hot Standby CPUs. In such cases, use IPsec encryptedcommunication",
          "product_ids": [
            "1",
            "9",
            "2"
          ],
          "url": "https://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/"
        },
        {
          "category": "vendor_fix",
          "details": "Version 3.50 of Modicon M340 includes a fix for the vulnerability and is available for download here: https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/\nCustomers should use appropriate patching methodologies when applying these patches to their systems. We strongly recommend the use of back-ups and evaluating the impact of these patches in a Test and Development environment or on an offline infrastructure. Contact Schneider Electric\u2019s Customer Care Center if you need assistance removing a patch.\nIf customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed.\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu: \u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.",
          "product_ids": [
            "4"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Modicon M580 SV4.02 firmware has been retracted for quality issues and is no longer available for download. For specific questions or support, Customers are requested to contact Schneider Electric\u2019s Customer Care Center.\nCustomers should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "2"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "If If customers choose not to apply the remediation then they are encouraged\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers\n\u2022 Deactivate the FTP service when not needed using Unity Pro / Control Expert software\n\u2022 Change the default FTP password (this procedure should also be applied after each firmware upgrade of the controller) using Unity / Control Expert in the following menu:\n\u201cProject Properties / Protection\u201d\n\u2022 When upgrading a firmware in the controller make sure that the firmware downloaded is compatible with the application already available in the controller. If not the case, use Unity Pro / Control Expert software to rebuild the application of your controller.\n\u2022 Setup a secure communication according to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, in chapter \u201cSetup secured communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/EIO0000001999/\n\u2022 Use a BMENUA0100 module and follow the instructions to configure IPSEC feature as described in the chapter \u201cConfiguring the BMENUA0100 Cybersecurity Settings\u201d: https://www.se.com/ww/en/download/document/PHA83350\n\u2022 To remove the confidentiality issue from FTP protocol, use a BMENOC module and follow the instructions to configure IPSEC feature as described in the guideline \u201cModicon M580 - BMENOC03.1 Ethernet Communications Module, Installation and Configuration Guide\u201d in the chapter \u201cConfiguring IPSEC communications\u201d:\nhttps://www.schneider-electric.com/en/download/document/HRB62665/\n\u2022 Ensure the CPU is running with the memory protection activated by configuring the input bit to a physical input, for more details refer to the following guideline \u201cModicon Controllers Platform Cyber Security Reference Manual\u201d, \u201cCPU Memory Protection section\u201d: https://www.schneider-electric.com/en/download/document/EIO0000001999/\no NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\nTo further reduce the attack surface on Modicon M580 CPU Safety:\n\u2022 Ensure the CPU is running in Safety mode and maintenance input is configured to maintain this Safety mode during operation \u2013 refer to the document Modicon M580 - Safety System Planning Guide - in the chapter \u201cOperating Mode Transitions\u201d:\nhttps://www.se.com/ww/en/download/document/QGH60283/",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "To mitigate the risks associated to the FTP weaknesses, users should immediately apply the following instructions.\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to FTP port 21/TCP on the controllers.",
          "product_ids": [
            "5"
          ],
          "restart_required": {
            "category": "none"
          }
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "2",
            "4",
            "5",
            "6",
            "9"
          ]
        }
      ],
      "title": "CVE-2019-6846"
    }
  ]
}