{
  "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 a vulnerability in its Modicon M340 Controller and Communication Modules. The Modicon M340 offers compactness, flexibility, scalability, and robustness for the process industry and a wide range of demanding automation applications. Failure to apply the remediation and mitigations provided below may risk Denial of Service to the Ethernet communication, which could result in a loss of availability of the controller.",
        "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 M340 Controller and Communication Modules - SEVD-2022-102-02 PDF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-102-02\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2022-102-02.pdf"
      },
      {
        "category": "self",
        "summary": "Modicon M340 Controller and Communication Modules - SEVD-2022-102-02 CSAF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-102-02\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=sevd-2022-102-02.json"
      },
      {
        "category": "external",
        "summary": "Recommended Cybersecurity Best Practices",
        "url": "https://www.se.com/us/en/download/document/7EN52-0390/"
      }
    ],
    "title": "Modicon M340 Controller and Communication Modules",
    "tracking": {
      "current_release_date": "2024-10-08T00:00:00.000Z",
      "generator": {
        "date": "2024-10-08T00:00:00.000Z",
        "engine": {
          "name": "Schneider Electric CSAF Generator",
          "version": "1.2"
        }
      },
      "id": "SEVD-2022-102-02",
      "initial_release_date": "2022-04-12T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2022-04-12T00:00:00.000Z",
          "number": "1.0.0",
          "summary": "Original Release"
        },
        {
          "date": "2022-09-13T00:00:00.000Z",
          "number": "2.0.0",
          "summary": "A remediation is available for Modicon M340 X80 Ethernet Communication Module BMXNOR0200H RTU."
        },
        {
          "date": "2023-02-14T00:00:00.000Z",
          "number": "3.0.0",
          "summary": "A remediation is available for Modicon M340 X80 Ethernet Communication Module BMXNOR0200H RTU."
        },
        {
          "date": "2023-10-08T00:00:00.000Z",
          "number": "4.0.0",
          "summary": "Clarification on Modicon M340 CPUs version."
        }
      ],
      "status": "final",
      "version": "4.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c3.50",
                "product": {
                  "name": "Schneider Electric Modicon M340 CPUs BMXP34* versions prior to v3.50",
                  "product_id": "1",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXP34*"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 CPUs"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.50",
                "product": {
                  "name": "Schneider Electric Modicon M340 CPUs version 3.50",
                  "product_id": "2",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXP34*"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 CPUs"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cSV03.50",
                "product": {
                  "name": "Schneider Electric Modicon M340 X80 Ethernet Communication modules BMXNOE0100 (H) versions prior to SV03.50",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 X80 Ethernet Communication module BMXNOE0100 (H)"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "SV03.50",
                "product": {
                  "name": "Schneider Electric Modicon M340 X80 Ethernet Communication modules BMXNOE0100 (H) SV03.50",
                  "product_id": "6"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 X80 Ethernet Communication module BMXNOE0100 (H)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cSV06.70",
                "product": {
                  "name": "Schneider Electric Modicon M340 X80 Ethernet Communication modules BMXNOE0110 (H) versions prior to SV06.70",
                  "product_id": "7"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 X80 Ethernet Communication module BMXNOE0110 (H)"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "SV06.70",
                "product": {
                  "name": "Schneider Electric Modicon M340 X80 Ethernet Communication modules BMXNOE0110 (H) SV06.70",
                  "product_id": "8"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 X80 Ethernet Communication module BMXNOE0110 (H)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.7 IR24",
                "product": {
                  "name": "Modicon M340 X80 Ethernet Communication modules \u003c1.7 IR24",
                  "product_id": "4",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOR0200H RTU"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 X80 Ethernet Communication modules"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "1.7 IR24",
                "product": {
                  "name": "Modicon M340 X80 Ethernet Communication modules 1.7 IR24",
                  "product_id": "5",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOR0200H RTU"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 X80 Ethernet Communication modules"
          }
        ],
        "category": "vendor",
        "name": "Schneider Electric"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Peter Cheng"
          ],
          "organization": "ELEX FEIGONG RESEARCH INSTITUTE"
        }
      ],
      "cve": "CVE-2022-0222",
      "cwe": {
        "id": "CWE-269",
        "name": "Improper Privilege Management"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-269: Improper Privilege Management vulnerability exists that could cause a denial of service of the Ethernet communication of the controller when sending a specific request over SNMP.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "2",
          "4",
          "6",
          "8"
        ],
        "known_affected": [
          "1",
          "3",
          "5",
          "7"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Version 3.50 of Modicon M340 includes a fix for this vulnerability and is \r\navailable for download here:\r\nhttps://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.\r\n50/\r\nIf customers choose not to apply the remediation provided above, they \r\nshould immediately apply the following mitigations to reduce the risk of \r\nexploit:\r\n\u2022 Setup network segmentation and implement a firewall to block \r\nall unauthorized access to port 161/UDP.\r\n\u2022 Configure the Access Control List following the \r\nrecommendations of the user manual \u201cModicon M340 for \r\nEthernet Communications Modules and Processors User \r\nManual\u201d in chapter \u201cMessaging Configuration Parameters\u201d: \r\nhttps://www.se.com/ww/en/download/document/31007131K010\r\n00/\r\n\u2022 Setup a VPN between the Modicon PLC impacted modules and \r\nthe engineering workstation containing EcoStruxure Control \r\nExpert.",
          "product_ids": [
            "1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXP34xxxxx_SV_03.50/"
        },
        {
          "category": "vendor_fix",
          "details": "Modicon M340 X80 Ethernet Communication Module BMXNOR0200H V1.7 IR24 includes a fix for this vulnerability and is available for download here:\nhttps://www.se.com/ww/en/product/BMXNOR0200H/ethernet-serial-rtu-module-2-x-rj45/\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 port 161/UDP.\n\u2022 Setup a VPN between the Modicon PLC impacted modules and the engineering workstation containing EcoStruxure Control Expert.",
          "product_ids": [
            "4"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product/BMXNOR0200H/ethernet-serial-rtu-module-2-x-rj45/"
        },
        {
          "category": "vendor_fix",
          "details": "Version SV03.50of BMXNOE0100 (H) includes a fix for thesevulnerabilities and is available for download here: https://www.se.com/ww/en/download/document/BMXNOE0100_SV_03.50/",
          "product_ids": [
            "3"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Version SV06.70 of BMXNOE0110 (H) includes a fix for these vulnerabilities and is available for download here: https://www.se.com/ww/en/download/document/BMXNOE0110_SV_06.70/",
          "product_ids": [
            "7"
          ]
        },
        {
          "category": "mitigation",
          "details": "If customers choose not to apply the remediation, then they should immediately apply the following mitigations to reduce the risk of exploit: \u2022Setup network segmentation and implement a firewall to block all unauthorized access to port 80/HTTP (Note HTTP is disabled by default). \u2022Configure the Access Control List following the recommendations of the user manual \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/\u2022Setup a VPN between the Modicon PLC impacted modules and the engineering workstation containing EcoStruxure Control Expertor Process Expert.",
          "product_ids": [
            "1",
            "3",
            "7"
          ],
          "url": "https://www.se.com/ww/en/download/document/31007131K01000/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "1",
            "3",
            "5",
            "7"
          ]
        }
      ],
      "title": "CVE-2022-0222"
    }
  ]
}