{
  "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 PAC Controllers and PLC simulator included in EcoStruxure\u2122 Control Expert and EcoStruxure\u2122 Process Expert.\nModicon PLCs (Programmable Logic Controllers) and PACs (Programmable Automation Controllers) control and monitor industrial operations in a sustainable, flexible, efficient and protected way.\nThe PLC Simulator feature is part of the EcoStruxure\u2122 Control Expert and EcoStruxure\u2122 Process Expert software and it helps users to review and test their configurations files in a simulation environment and is not intended to be used as a controller CPU in a production environment.\nFailure to apply the mitigations provided below may lead to the execution of a malicious project file, which could result in loss of availability of the controller or of the PLC simulator. For an attack to be successful, a malicious project file must be downloaded in the controller or in the simulator.\nMarch 2023 Update: A remediation is available for Modicon M580 CPU and Modicon Momentum Unity M1E Processor for CVE-2021-22789 , and update to the PLC Simulator user manual to reflect the mitigation",
        "title": "Overview"
      }
    ],
    "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 PAC Controllers and PLC Simulator for EcoStruxure\u2122 Control Expert and EcoStruxure\u2122 Process Expert - SEVD-2021-222-04 PDF Version",
        "url": "https://download.schneider-electric.com/files?p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2021-222-04_Modicon_PAC_Controllers_PLC_Simulator_Control_Expert_Process_Expert_Security_Notification.pdf"
      },
      {
        "category": "self",
        "summary": "Modicon PAC Controllers and PLC Simulator for EcoStruxure\u2122 Control Expert and EcoStruxure\u2122 Process Expert - SEVD-2021-222-04 CSAF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-222-04\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=sevd-2021-222-04.json"
      },
      {
        "category": "external",
        "summary": "Recommended Cybersecurity Best Practices",
        "url": "https://www.se.com/us/en/download/document/7EN52-0390/"
      }
    ],
    "title": "Modicon PAC Controllers and PLC Simulator for EcoStruxure\u2122 Control Expert and EcoStruxure\u2122 Process Expert",
    "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-2021-222-04",
      "initial_release_date": "2021-08-10T02:27:39.000Z",
      "revision_history": [
        {
          "date": "2021-08-10T02:27:39.000Z",
          "number": "1.0.0",
          "summary": "Original Release"
        },
        {
          "date": "2022-08-09T02:27:39.000Z",
          "number": "2.0.0",
          "summary": "A fix is available for Modicon M340 and Modicon M580 that addresses these vulnerabilities."
        },
        {
          "date": "2022-09-06T02:27:39.000Z",
          "number": "2.1.0",
          "summary": "The version number for Modicon M580 that addresses these vulnerabilities has been updated from V4.01 to V4.02."
        },
        {
          "date": "2022-10-11T02:27:39.000Z",
          "number": "3.0.0",
          "summary": "A clarification 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": "2022-12-13T00:00:00.000Z",
          "number": "4.0.0",
          "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": "2023-03-14T00:00:00.000Z",
          "number": "5.0.0",
          "summary": "A remediation is available for Modicon M580 CPU and Modicon Momentum Unity M1E Processor for CVE-2021-22789 , and update to the PLC Simulator user manual to reflect the mitigation"
        },
        {
          "date": "2023-07-11T00:00:00.000Z",
          "number": "6.0.0",
          "summary": "A remediation is available for Modicon MC80"
        },
        {
          "date": "2024-08-13T00:00:00.000Z",
          "number": "7.0.0",
          "summary": "A remediation is available for Modicon M580 CPU Safety (page 3)."
        }
      ],
      "status": "final",
      "version": "7.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cSV4.10",
                "product": {
                  "name": "Schneider Electric Modicon M580 CPU \u003cSV4.10",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580 CPU"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "SV4.10",
                "product": {
                  "name": "Schneider Electric Modicon M580 CPU SV4.10",
                  "product_id": "11"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580 CPU"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c SV4.21",
                "product": {
                  "name": "Schneider Electric Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) Versions prior to SV4.21",
                  "product_id": "2",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMEP58*S",
                      "BMEH58*S"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M580 CPU Safety"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c3.50",
                "product": {
                  "name": "Schneider Electric Modicon M340 CPU \u003c3.50",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 CPU"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.50",
                "product": {
                  "name": "Schneider Electric Modicon M340 CPU 3.50",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 CPU"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c SV1.90",
                "product": {
                  "name": "Schneider Electric Modicon MC80 \u003cSV1.90",
                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon MC80"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions",
                "product": {
                  "name": "Schneider Electric Modicon MC80 SV1.90",
                  "product_id": "13"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon MC80"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cSV2.6",
                "product": {
                  "name": "Schneider Electric Modicon Momentum CPU All versions \u003cSV2.6",
                  "product_id": "6"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Momentum Unity M1E Processor (part numbers 171CBU*) \u003cSV2.6"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "SV2.6",
                "product": {
                  "name": "Schneider Electric Modicon Momentum Unity M1E Processor (part numbers 171CBU*) Modicon Momentum Unity M1E Processor (part numbers 171CBU*) SV2.6",
                  "product_id": "12"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Momentum Unity M1E Processor (part numbers 171CBU*)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions",
                "product": {
                  "name": "Schneider Electric PLC Simulator for EcoStruxure\u2122 Control Expert All versions",
                  "product_id": "7"
                }
              }
            ],
            "category": "product_name",
            "name": "PLC Simulator for EcoStruxure\u2122 Control Expert"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions",
                "product": {
                  "name": "Schneider Electric PLC Simulator for EcoStruxure\u2122 Process Expert All versions",
                  "product_id": "8"
                }
              }
            ],
            "category": "product_name",
            "name": "PLC Simulator for EcoStruxure\u2122 Process Expert"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions",
                "product": {
                  "name": "Schneider Electric Legacy Modicon Premium and Quantum All versions",
                  "product_id": "9"
                }
              }
            ],
            "category": "product_name",
            "name": "Legacy Modicon Premium and Quantum"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions",
                "product": {
                  "name": "Schneider Electric Modicon Premium CPU  All versions",
                  "product_id": "10"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Premium CPU "
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "SV4.21",
                "product": {
                  "name": "Schneider Electric Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) Versions SV4.21",
                  "product_id": "14",
                  "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": [
            "Kai Wang"
          ],
          "organization": "Codesafe Team of Legendsec at Qi\u2019anxin Group"
        },
        {
          "names": [
            "Guillaume Orlando "
          ],
          "organization": "Airbus Cybersecurity)"
        }
      ],
      "cve": "CVE-2021-22789",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "4",
          "11",
          "12",
          "13",
          "14"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "M340 V3.50 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/",
          "product_ids": [
            "3"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware SV1.90 includes a fix for CVE-2021-22789 vulnerability and is available for download here:",
          "product_ids": [
            "5"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "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": [
            "2"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium and Quantum controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC.\r\nPlease contact your local Schneider Electric technical support for more information.",
          "product_ids": [
            "9"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Customers should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Download and setup EcoStruxure Control Expert V15.0 SP1 from this link: https://www.se.com/ww/en/download/document/EcoStruxureControlExpert_15SP1\no Use the new \u201cfile encryption\u201d feature available on EcoStruxure Control Expert v15.0 SP1 in order to protect the project files.\no Ensure to use simulator default panel option to make PLC simulator accessible only locally.\n\u2022 Store the project files in a secure storage and restrict the access to only trusted users\n\u2022 When exchanging files over the network, use secure communication protocols\n\u2022 Encrypt project files when stored\n\u2022 Only open project files received from trusted source\n\u2022 Compute a hash of the project files and regularly check the consistency of this hash to verify the integrity before usage\n\u2022 Harden the workstation running EcoStruxure Control Expert or Unity Pro\nNote: The PLC Simulator feature is part of the EcoStruxure Control Expert and EcoStruxure Process Expert software, and it helps users to review and test their configurations files in a simulation environment. It is not intended to be used as a controller CPU in a production environment.\nUpdate: Refer to the PLC Simulator user manual for more details on enforcing security settings available here. \nhttps://www.se.com/ww/en/download/document/EIO0000001714/",
          "product_ids": [
            "7"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Customers should immediately apply the following mitigations to reduce the risk of exploit:\n\u2022 Store the project files in a secure storage and restrict the access to only trusted users\n\u2022 When exchanging files over the network, use secure communication protocols\n\u2022 Encrypt project files when stored\n\u2022 Only open project files received from trusted source\n\u2022 Compute a hash of the project files and regularly check the consistency of this hash to verify the integrity before usage\n\u2022 Harden the workstation running EcoStruxure Control Expert or Unity Pro\nNote: The PLC Simulator feature is part of the EcoStruxure Control Expert and EcoStruxure Process Expert software, and it helps users to review and test their configurations files in a simulation environment. It is not intended to be used as a controller CPU in a production environment.",
          "product_ids": [
            "8"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our most current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.\r\nTo mitigate the risks users should immediately:\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\n\u2022 Configure the Access Control List following the recommendations of the user manual \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert - Ethernet Network Modules, User Manual\u201d in chapters \u201cConnection configuration parameters / TCP/IP Services Configuration Parameters / Connection Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/35006192K01000/",
          "product_ids": [
            "10"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "\u2022 Setup an application password in the project properties\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\n\u2022 Configure the Access Control List following the recommendations of the user manuals:\no \u201cModicon M580, Hardware, Reference Manual\u201d https://www.se.com/ww/en/download/document/EIO0000001578/\no \u201cModicon M340 for Ethernet Communications Modules and Processors User Manual\u201d in chapter \u201cMessaging Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/31007131K01000/\no \u201cModicon MC80 Programmable Logic Controller (PLC) manual\u201d in the chapter \u201cAccess Control List (ACL)\u201d https://download.schneider-electric.com/files?p_enDocType=User+guide\u0026p_File_Name=EIO0000002071.02.pdf\u0026p_Doc_Ref=EIO0000002071\no \u201cMomentum for EcoStruxure\u2122 Control Expert - 171 CBU 78090, 171 CBU 98090, 171 CBU 98091 Processors\u201d manual in the chapter \u201cModbus Messaging and Access Control\u201d https://download.schneider-electric.com/files?p_enDocType=User+guide\u0026p_File_Name=HRB44124.08.pdf\u0026p_Doc_Ref=HRB44124\no 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 Setup a VPN between the Modicon PLC controller and the engineering workstation containing EcoStruxure Control Expert or Process Expert. Note: this functionality may be provided by an external IPSEC compatible firewall located close to the controller.\nTo ensure you are informed of all updates, including details on affected products and remediation plans, subscribe to Schneider Electric\u2019s security notification service here:\nhttps://www.se.com/en/work/support/cybersecurity/security-notifications.jsp\nSchneider Electric\u2019s Modicon Premium controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our most current product offer.\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.\nTo mitigate the risks users should immediately:\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\nConfigure the Access Control List following the recommendations of the user manual \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert \u2013 Ethernet Network Modules, User Manual\u201d in chapters \u201cConnection configuration parameters / TCP/IP Services Configuration Parameters / Connection Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/35006192K01000/",
          "product_ids": [
            "1",
            "2",
            "3",
            "5",
            "6",
            "10"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our most current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.\r\nTo mitigate the risks users should immediately:\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\nConfigure the Access Control List following the recommendations of the user manual \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert \u2013 Ethernet Network Modules, User Manual\u201d in chapters \u201cConnection configuration parameters / TCP/IP Services Configuration Parameters / Connection Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/35006192K01000/",
          "product_ids": [
            "10"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "vendor_fix",
          "details": "Modicon M580 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/",
          "product_ids": [
            "11"
          ],
          "url": "https://www.se.com/ww/en/download/document/BMEx58x0x0_SV04.10/"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware V2.6 includes a fix for CVE-2021-22789 vulnerability and is available for download here: https://www.se.com/ww/en/download/document/Momentum_FW_update/",
          "product_ids": [
            "12"
          ],
          "url": "https://www.se.com/ww/en/download/document/Momentum_FW_update/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10"
          ]
        }
      ],
      "title": "CVE-2021-22789"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Kai Wang"
          ],
          "organization": "Codesafe Team of Legendsec at Qi\u2019anxin Group"
        }
      ],
      "cve": "CVE-2021-22790",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-125: Out-of-bounds Read vulnerability exists that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "4",
          "11",
          "12",
          "14"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "6",
          "7",
          "8",
          "9",
          "10"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "M340 V3.50 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/",
          "product_ids": [
            "3"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
        },
        {
          "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": [
            "2"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric is establishing a remediation plan for all future versions of Modicon MC80 and Modicon Momentum MDI that will include a fix for these vulnerabilities. We will update this document when the remediation is available.",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium and Quantum controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC.\r\nPlease contact your local Schneider Electric technical support for more information.",
          "product_ids": [
            "9"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022 Download and setup EcoStruxure Control Expert V15.0 SP1 from this link: https://www.se.com/ww/en/download/document/EcoStruxureControlExpert_15SP1\r\no Use the new \u201cfile encryption\u201d feature available on EcoStruxure Control Expert v15.0 SP1 in order to protect the project files.\r\no Ensure to use simulator default panel option to make PLC simulator accessible only locally.\r\n\u2022 Store the project files in a secure storage and restrict the access to only trusted users\r\n\u2022 When exchanging files over the network, use secure communication protocols\r\n\u2022 Encrypt project files when stored\r\n\u2022 Only open project files received from trusted source\r\n\u2022 Compute a hash of the project files and regularly check the consistency of this hash to verify the integrity before usage\r\n\u2022 Harden the workstation running EcoStruxure Control Expert or Unity Pro\r\nNote: The PLC Simulator feature is part of the EcoStruxure Control Expert and EcoStruxure Process Expert software, and it helps users to review and test their configurations files in a simulation environment. It is not intended to be used as a controller CPU in a production environment.",
          "product_ids": [
            "7"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022 Store the project files in a secure storage and restrict the access to only trusted users\r\n\u2022 When exchanging files over the network, use secure communication protocols\r\n\u2022 Encrypt project files when stored\r\n\u2022 Only open project files received from trusted source\r\n\u2022 Compute a hash of the project files and regularly check the consistency of this hash to verify the integrity before usage\r\n\u2022 Harden the workstation running EcoStruxure Control Expert or Unity Pro\r\nNote: The PLC Simulator feature is part of the EcoStruxure Control Expert and EcoStruxure Process Expert software, and it helps users to review and test their configurations files in a simulation environment. It is not intended to be used as a controller CPU in a production environment.",
          "product_ids": [
            "8"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our most current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.\r\nTo mitigate the risks users should immediately:\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\n\u2022 Configure the Access Control List following the recommendations of the user manual \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert - Ethernet Network Modules, User Manual\u201d in chapters \u201cConnection configuration parameters / TCP/IP Services Configuration Parameters / Connection Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/35006192K01000/",
          "product_ids": [
            "10"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "\u2022 Setup an application password in the project properties\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\n\u2022 Configure the Access Control List following the recommendations of the user manuals:\r\no \u201cModicon M580, Hardware, Reference Manual\u201d: https://www.se.com/ww/en/download/document/EIO0000001578/\r\no \u201cModicon M340 for Ethernet Communications Modules and Processors User Manual\u201d in chapter \u201cMessaging Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/31007131K01000/\r\no \u201cModicon MC80 Programmable Logic Controller (PLC) manual\u201d in the chapter \u201cAccess Control List (ACL)\u201d: https://download.schneider-electric.com/files?p_enDocType=User+guide\u0026p_File_Name=EIO0000002071.02.pdf\u0026p_Doc_Ref=EIO0000002071\r\no \u201cMomentum for EcoStruxure\u2122 Control Expert - 171 CBU 78090, 171 CBU 98090, 171 CBU 98091 Processors\u201d manual in the chapter \u201cModbus Messaging and Access Control\u201d https://download.schneider-electric.com/files?p_enDocType=User+guide\u0026p_File_Name=HRB44124.08.pdf\u0026p_Doc_Ref=HRB44124\r\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\r\n\u2022 Ensure the M580 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/\r\n\uf0a7 NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\r\n\u2022 Setup a VPN between the Modicon PLC controller and the engineering workstation containing EcoStruxure Control Expert or Process Expert. Note: this functionality may be provided by an external IPSEC compatible firewall located close to the controller.\r\nTo further reduce the attack surface on Modicon M580 CPU Safety:\r\no 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\r\nhttps://www.se.com/ww/en/download/document/QGH60283/\r\nTo ensure you are informed of all updates, including details on affected products and remediation plans, subscribe to Schneider Electric\u2019s security notification service here:\r\nhttps://www.se.com/en/work/support/cybersecurity/security-notifications.jsp",
          "product_ids": [
            "1",
            "2",
            "3"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our most current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.\r\nTo mitigate the risks users should immediately:\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\nConfigure the Access Control List following the recommendations of the user manual \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert \u2013 Ethernet Network Modules, User Manual\u201d in chapters \u201cConnection configuration parameters / TCP/IP Services Configuration Parameters / Connection Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/35006192K01000/",
          "product_ids": [
            "10"
          ],
          "restart_required": {
            "category": "none"
          }
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "6",
            "7",
            "8",
            "9",
            "10"
          ]
        }
      ],
      "title": "CVE-2021-22790"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Kai Wang"
          ],
          "organization": "Codesafe Team of Legendsec at Qi\u2019anxin Group"
        }
      ],
      "cve": "CVE-2021-22791",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-787: Out-of-bounds Write vulnerability exists that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "4",
          "11",
          "14"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "6",
          "7",
          "8",
          "9",
          "10"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "M340 V3.50 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/",
          "product_ids": [
            "3"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
        },
        {
          "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": [
            "2"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric is establishing a remediation plan for all future versions of Modicon MC80 and Modicon Momentum MDI that will include a fix for these vulnerabilities. We will update this document when the remediation is available.",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium and Quantum controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC.\r\nPlease contact your local Schneider Electric technical support for more information.",
          "product_ids": [
            "9"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022 Download and setup EcoStruxure Control Expert V15.0 SP1 from this link: https://www.se.com/ww/en/download/document/EcoStruxureControlExpert_15SP1\r\no Use the new \u201cfile encryption\u201d feature available on EcoStruxure Control Expert v15.0 SP1 in order to protect the project files.\r\no Ensure to use simulator default panel option to make PLC simulator accessible only locally.\r\n\u2022 Store the project files in a secure storage and restrict the access to only trusted users\r\n\u2022 When exchanging files over the network, use secure communication protocols\r\n\u2022 Encrypt project files when stored\r\n\u2022 Only open project files received from trusted source\r\n\u2022 Compute a hash of the project files and regularly check the consistency of this hash to verify the integrity before usage\r\n\u2022 Harden the workstation running EcoStruxure Control Expert or Unity Pro\r\nNote: The PLC Simulator feature is part of the EcoStruxure Control Expert and EcoStruxure Process Expert software, and it helps users to review and test their configurations files in a simulation environment. It is not intended to be used as a controller CPU in a production environment.",
          "product_ids": [
            "7"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022 Store the project files in a secure storage and restrict the access to only trusted users\r\n\u2022 When exchanging files over the network, use secure communication protocols\r\n\u2022 Encrypt project files when stored\r\n\u2022 Only open project files received from trusted source\r\n\u2022 Compute a hash of the project files and regularly check the consistency of this hash to verify the integrity before usage\r\n\u2022 Harden the workstation running EcoStruxure Control Expert or Unity Pro\r\nNote: The PLC Simulator feature is part of the EcoStruxure Control Expert and EcoStruxure Process Expert software, and it helps users to review and test their configurations files in a simulation environment. It is not intended to be used as a controller CPU in a production environment.",
          "product_ids": [
            "8"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our most current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.\r\nTo mitigate the risks users should immediately:\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\n\u2022 Configure the Access Control List following the recommendations of the user manual \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert - Ethernet Network Modules, User Manual\u201d in chapters \u201cConnection configuration parameters / TCP/IP Services Configuration Parameters / Connection Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/35006192K01000/",
          "product_ids": [
            "10"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "\u2022 Setup an application password in the project properties\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\n\u2022 Configure the Access Control List following the recommendations of the user manuals:\r\no \u201cModicon M580, Hardware, Reference Manual\u201d: https://www.se.com/ww/en/download/document/EIO0000001578/\r\no \u201cModicon M340 for Ethernet Communications Modules and Processors User Manual\u201d in chapter \u201cMessaging Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/31007131K01000/\r\no \u201cModicon MC80 Programmable Logic Controller (PLC) manual\u201d in the chapter \u201cAccess Control List (ACL)\u201d: https://download.schneider-electric.com/files?p_enDocType=User+guide\u0026p_File_Name=EIO0000002071.02.pdf\u0026p_Doc_Ref=EIO0000002071\r\no \u201cMomentum for EcoStruxure\u2122 Control Expert - 171 CBU 78090, 171 CBU 98090, 171 CBU 98091 Processors\u201d manual in the chapter \u201cModbus Messaging and Access Control\u201d https://download.schneider-electric.com/files?p_enDocType=User+guide\u0026p_File_Name=HRB44124.08.pdf\u0026p_Doc_Ref=HRB44124\r\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\r\n\u2022 Ensure the M580 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/\r\n\uf0a7 NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\r\n\u2022 Setup a VPN between the Modicon PLC controller and the engineering workstation containing EcoStruxure Control Expert or Process Expert. Note: this functionality may be provided by an external IPSEC compatible firewall located close to the controller.\r\nTo further reduce the attack surface on Modicon M580 CPU Safety:\r\no 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\r\nhttps://www.se.com/ww/en/download/document/QGH60283/\r\nTo ensure you are informed of all updates, including details on affected products and remediation plans, subscribe to Schneider Electric\u2019s security notification service here:\r\nhttps://www.se.com/en/work/support/cybersecurity/security-notifications.jsp",
          "product_ids": [
            "1",
            "2",
            "3"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our most current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.\r\nTo mitigate the risks users should immediately:\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\nConfigure the Access Control List following the recommendations of the user manual \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert \u2013 Ethernet Network Modules, User Manual\u201d in chapters \u201cConnection configuration parameters / TCP/IP Services Configuration Parameters / Connection Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/35006192K01000/",
          "product_ids": [
            "10"
          ],
          "restart_required": {
            "category": "none"
          }
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "6",
            "7",
            "8",
            "9",
            "10"
          ]
        }
      ],
      "title": "CVE-2021-22791"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Kai Wang"
          ],
          "organization": "Codesafe Team of Legendsec at Qi\u2019anxin Group"
        }
      ],
      "cve": "CVE-2021-22792",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-476: NULL Pointer Dereference vulnerability exists that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "4",
          "11",
          "14"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "6",
          "7",
          "8",
          "9",
          "10"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "M340 V3.50 includes a fix for these vulnerabilities and is available for download here:\r\nhttps://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/",
          "product_ids": [
            "3"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
        },
        {
          "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": [
            "2"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/62098-modicon-m580-epac-controller/#software-and-firmware"
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric is establishing a remediation plan for all future versions of Modicon MC80 and Modicon Momentum MDI that will include a fix for these vulnerabilities. We will update this document when the remediation is available.",
          "product_ids": [
            "6"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium and Quantum controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC.\r\nPlease contact your local Schneider Electric technical support for more information.",
          "product_ids": [
            "9"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022 Download and setup EcoStruxure Control Expert V15.0 SP1 from this link: https://www.se.com/ww/en/download/document/EcoStruxureControlExpert_15SP1\r\no Use the new \u201cfile encryption\u201d feature available on EcoStruxure Control Expert v15.0 SP1 in order to protect the project files.\r\no Ensure to use simulator default panel option to make PLC simulator accessible only locally.\r\n\u2022 Store the project files in a secure storage and restrict the access to only trusted users\r\n\u2022 When exchanging files over the network, use secure communication protocols\r\n\u2022 Encrypt project files when stored\r\n\u2022 Only open project files received from trusted source\r\n\u2022 Compute a hash of the project files and regularly check the consistency of this hash to verify the integrity before usage\r\n\u2022 Harden the workstation running EcoStruxure Control Expert or Unity Pro\r\nNote: The PLC Simulator feature is part of the EcoStruxure Control Expert and EcoStruxure Process Expert software, and it helps users to review and test their configurations files in a simulation environment. It is not intended to be used as a controller CPU in a production environment.",
          "product_ids": [
            "7"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Customers should immediately apply the following mitigations to reduce the risk of exploit:\r\n\u2022 Store the project files in a secure storage and restrict the access to only trusted users\r\n\u2022 When exchanging files over the network, use secure communication protocols\r\n\u2022 Encrypt project files when stored\r\n\u2022 Only open project files received from trusted source\r\n\u2022 Compute a hash of the project files and regularly check the consistency of this hash to verify the integrity before usage\r\n\u2022 Harden the workstation running EcoStruxure Control Expert or Unity Pro\r\nNote: The PLC Simulator feature is part of the EcoStruxure Control Expert and EcoStruxure Process Expert software, and it helps users to review and test their configurations files in a simulation environment. It is not intended to be used as a controller CPU in a production environment.",
          "product_ids": [
            "8"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our most current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.\r\nTo mitigate the risks users should immediately:\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\n\u2022 Configure the Access Control List following the recommendations of the user manual \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert - Ethernet Network Modules, User Manual\u201d in chapters \u201cConnection configuration parameters / TCP/IP Services Configuration Parameters / Connection Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/35006192K01000/",
          "product_ids": [
            "10"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "\u2022 Setup an application password in the project properties\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\n\u2022 Configure the Access Control List following the recommendations of the user manuals:\r\no \u201cModicon M580, Hardware, Reference Manual\u201d: https://www.se.com/ww/en/download/document/EIO0000001578/\r\no \u201cModicon M340 for Ethernet Communications Modules and Processors User Manual\u201d in chapter \u201cMessaging Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/31007131K01000/\r\no \u201cModicon MC80 Programmable Logic Controller (PLC) manual\u201d in the chapter \u201cAccess Control List (ACL)\u201d: https://download.schneider-electric.com/files?p_enDocType=User+guide\u0026p_File_Name=EIO0000002071.02.pdf\u0026p_Doc_Ref=EIO0000002071\r\no \u201cMomentum for EcoStruxure\u2122 Control Expert - 171 CBU 78090, 171 CBU 98090, 171 CBU 98091 Processors\u201d manual in the chapter \u201cModbus Messaging and Access Control\u201d https://download.schneider-electric.com/files?p_enDocType=User+guide\u0026p_File_Name=HRB44124.08.pdf\u0026p_Doc_Ref=HRB44124\r\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\r\n\u2022 Ensure the M580 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/\r\n\uf0a7 NOTE: The CPU memory protection cannot be configured with Hot Standby CPUs. In such cases, use IPsec encrypted communication\r\n\u2022 Setup a VPN between the Modicon PLC controller and the engineering workstation containing EcoStruxure Control Expert or Process Expert. Note: this functionality may be provided by an external IPSEC compatible firewall located close to the controller.\r\nTo further reduce the attack surface on Modicon M580 CPU Safety:\r\no 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\r\nhttps://www.se.com/ww/en/download/document/QGH60283/\r\nTo ensure you are informed of all updates, including details on affected products and remediation plans, subscribe to Schneider Electric\u2019s security notification service here:\r\nhttps://www.se.com/en/work/support/cybersecurity/security-notifications.jsp",
          "product_ids": [
            "1",
            "2",
            "3"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Schneider Electric\u2019s Modicon Premium controllers have reached their end of life and are no longer commercially available. They have been replaced by the Modicon M580 ePAC controller, our most current product offer.\r\nCustomers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.\r\nTo mitigate the risks users should immediately:\r\n\u2022 Setup network segmentation and implement a firewall to block all unauthorized access to port 502/TCP\r\nConfigure the Access Control List following the recommendations of the user manual \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert \u2013 Ethernet Network Modules, User Manual\u201d in chapters \u201cConnection configuration parameters / TCP/IP Services Configuration Parameters / Connection Configuration Parameters\u201d: https://www.se.com/ww/en/download/document/35006192K01000/",
          "product_ids": [
            "10"
          ],
          "restart_required": {
            "category": "none"
          }
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "6",
            "7",
            "8",
            "9",
            "10"
          ]
        }
      ],
      "title": "CVE-2021-22792"
    }
  ]
}