{
  "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, Modicon Quantum and \r\nModicon Premium legacy offers and associated communication modules. \r\nThe Modicon Ethernet Programmable Automation controller products are controllers for \r\nindustrial process and infrastructure. \r\nFailure to apply the remediations provided below may risk a Denial-of-Service attack, which \r\ncould result in the unavailability of the web and FTP services. \r\nSeptember 2022 update: A fix is available for Modicon M340 X80 Ethernet Communication Module BMXNOC0401",
        "title": "Overview"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "cybersecurity@se.com",
      "name": "Schneider Electric CPCERT",
      "namespace": "https://www.se.com/ww/en/work/support/cybersecurity/security-notifications.jsp"
    },
    "references": [
      {
        "category": "self",
        "summary": "Web Server on Modicon M340, Legacy Offers Modicon Quantum - SEVD-2020-343-06_v2 PDF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2020-343-06\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2020-343-06_Web_Server_Modicon_M340_Premium_Quantum_Communication_Modules_Security_Notification_V2.0.pdf"
      },
      {
        "category": "self",
        "summary": "Web Server on Modicon M340, Legacy Offers Modicon Quantum - SEVD-2020-343-06_v2 CSAF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2020-343-06\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=sevd-2020-343-06.json"
      },
      {
        "category": "self",
        "summary": "Recommended Cybersecurity Best Practices",
        "url": "https://www.se.com/us/en/download/document/7EN52-0390/"
      }
    ],
    "title": "Web Server on Modicon M340, Legacy Offers Modicon Quantum Modicon Premium and associated Communication Modules",
    "tracking": {
      "current_release_date": "2020-12-08T09:08:01.000Z",
      "generator": {
        "date": "2022-09-12T09:56:10.177Z",
        "engine": {
          "name": "Secvisogram",
          "version": "1.14.0"
        }
      },
      "id": "SEVD-2020-343-06",
      "initial_release_date": "2020-12-08T09:08:01.000Z",
      "revision_history": [
        {
          "date": "2020-12-08T09:08:01.000Z",
          "number": "1",
          "summary": "Original Release"
        },
        {
          "date": "2022-09-13T09:08:00.000Z",
          "number": "2",
          "summary": "A fix is available for Modicon M340 X80 Ethernet \r\nCommunication Module BMXNOC0401"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c3.30",
                "product": {
                  "name": "Schneider Electric Modicon M340 CPUs versions prior to 3.30",
                  "product_id": "1",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXP34*"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 CPUs"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.30",
                "product": {
                  "name": "Schneider Electric Modicon M340 CPUs 3.30",
                  "product_id": "2",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXP34*"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 CPUs"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c3.4",
                "product": {
                  "name": "Schneider Electric Modicon M340 Ethernet Communication Modules versions prior to 3.4",
                  "product_id": "3",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOE0100 "
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 Ethernet Communication Modules"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.4",
                "product": {
                  "name": "Schneider Electric Modicon M340 Ethernet Communication Modules 3.4",
                  "product_id": "4",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOE0100 "
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 Ethernet Communication Modules"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c6.6",
                "product": {
                  "name": "Schneider Electric Modicon M340 Ethernet Communication Modules BMXNOE0110 versions prior to 6.6",
                  "product_id": "5",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOE0110 "
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 Ethernet Communication Modules BMXNOE0110 "
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "6.6",
                "product": {
                  "name": "Schneider Electric Modicon M340 Ethernet Communication Modules BMXNOE0110  6.6",
                  "product_id": "6",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOE0110 "
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 Ethernet Communication Modules BMXNOE0110 "
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c2.11",
                "product": {
                  "name": "Schneider Electric Modicon M340 Ethernet Communication Modules BMXNOC0401 (H) versions prior to 2.11",
                  "product_id": "7",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOC0401 (H) "
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 Ethernet Communication Modules BMXNOC0401 (H)"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "2.11",
                "product": {
                  "name": "Schneider Electric Modicon M340 Ethernet Communication Modules BMXNOC0401 (H) 2.11",
                  "product_id": "8",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOC0401 (H) "
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 Ethernet Communication Modules BMXNOC0401 (H)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c7.3",
                "product": {
                  "name": "Schneider Electric Modicon Quantum Communication Modules 140NOE771x1 versions prior to 7.3",
                  "product_id": "9",
                  "product_identification_helper": {
                    "model_numbers": [
                      "140NOE771x1"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Quantum Communication Modules 140NOE771x1"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "7.3",
                "product": {
                  "name": "Schneider Electric Modicon Quantum Communication Modules 140NOE771x1 7.3",
                  "product_id": "10",
                  "product_identification_helper": {
                    "model_numbers": [
                      "140NOE771x1"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Quantum Communication Modules 140NOE771x1"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "Schneider Electric Modicon Quantum Communication Modules All versions",
                  "product_id": "11",
                  "product_identification_helper": {
                    "model_numbers": [
                      "140NOC78x00",
                      "140NOC77101"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Quantum Communication Modules"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "Schneider Electric Modicon Quantum Processors with Integrated Ethernet COPRO 140CPU65xx0 All versions",
                  "product_id": "12",
                  "product_identification_helper": {
                    "model_numbers": [
                      "140CPU65xx0"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Quantum Processors with Integrated Ethernet COPRO 140CPU65xx0"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "Schneider Electric Modicon Premium Communication Modules All versions",
                  "product_id": "13",
                  "product_identification_helper": {
                    "model_numbers": [
                      "TSXETY4103",
                      "TSXETY5103"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Premium Communication Modules"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "Schneider Electric Modicon Premium Processors with Integrated Ethernet COPRO All versions",
                  "product_id": "14",
                  "product_identification_helper": {
                    "model_numbers": [
                      "TSXP574634",
                      "TSXP575634",
                      "TSXP576634"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Premium Processors with Integrated Ethernet COPRO"
          }
        ],
        "category": "vendor",
        "name": "Schneider Electric"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-7549",
      "cwe": {
        "id": "CWE-754",
        "name": "Improper Check for Unusual or Exceptional Conditions"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that\r\ncould cause denial of HTTP and FTP services when a series of specially crafted requests is \r\nsent to the controller over HTTP.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "2",
          "4",
          "6",
          "8",
          "10"
        ],
        "known_affected": [
          "1",
          "3",
          "5",
          "7",
          "9",
          "11",
          "12",
          "13",
          "14"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Firmware V3.30 is available for all the product references. \r\nFollow this link and find the right firmware file based on model \r\nused: \r\nhttps://www.se.com/ww/en/product-range/1468-modicon\u0002m340/?parent-subcategory-id=3950\r\nIf customers choose not to apply the remediation, see Mitigation section.",
          "product_ids": [
            "1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product-range/1468-modiconm340/?parent-subcategory-id=3950"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware V3.4 is available for download below: \r\nhttps://www.se.com/ww/en/download/document/BMXNOE010\r\n0 Exec and Release Notes/\r\nIf customers choose not to apply the remediation, see Mitigation\r\nsection below",
          "product_ids": [
            "3"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXNOE0100%20Exec%20and%20Release%20Notes/"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware V6.6 is available for download below: \r\nhttps://www.se.com/ww/en/download/document/BMXNOE011\r\n0 Exec and Release Notes/\r\nIf customers choose not to apply the remediation, see Mitigation\r\nsection below",
          "product_ids": [
            "5"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/BMXNOE0110%20Exec%20and%20Release%20Notes/"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware V2.11 is available for download below:\r\nhttps://www.se.com/ww/en/product/BMXNOC0401/ethernet\u0002tcp-ip-network-module-modicon-m340-automation-platform-4-x-rj45-10-100/ \r\nIf customers choose not to apply the remediation, see Mitigation\r\nsection below.",
          "product_ids": [
            "7"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/product/BMXNOC0401/ethernettcp-ip-network-module-modicon-m340-automation-platform-4-x-rj45-10-100/"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware V7.3 is available for download below: \r\nhttps://www.se.com/ww/en/download/document/140NOE7710\r\n1 Exec and Release Notes/\r\nIf customers choose not to apply the remediation, see Mitigation\r\nsection below.",
          "product_ids": [
            "9"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/140NOE77101%20Exec%20and%20Release%20Notes/"
        },
        {
          "category": "vendor_fix",
          "details": "Modicon Quantum and associated communication Modules: \r\nSchneider Electric\u2019s Modicon Quantum controllers have reached \r\ntheir end of life and are no longer commercially available. They have \r\nbeen replaced by the Modicon M580 ePAC controller, our most \r\ncurrent product offer. Customers should strongly consider migrating \r\nto the Modicon M580 ePAC. Please contact your local Schneider \r\nElectric technical support for more information.\r\nTo mitigate the risks, users should immediately:\r\n\u2022 Disable the Web server using \u0027Web Access (HTTP)\u0027 via \r\nUnityPro / EcoStruxure Control Expert using the following \r\nguideline \u201c Quantum using EcoStruxure\u2122 Control Expert - \r\nTCP/IP Configuration, User Manual\u201d in the chapter \u201cSecurity \r\n(Enable / Disable HTTP, FTP, and TFTP)\u201d:\r\nhttps://www.se.com/ww/en/download/document/33002479K\r\n01000\r\nFor further information, please check the \u201cQuantum using \r\nEcoStruxure\u2122 Control Expert - TCP/IP Configuration, User Manual\u201d \r\nand the Modicon Controllers Platform Cyber Security Reference \r\nManual.",
          "product_ids": [
            "11",
            "12"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/33002479K01000"
        },
        {
          "category": "no_fix_planned",
          "details": "Modicon Premium and associated communication Modules:\r\nSchneider Electric\u2019s Modicon Premium controllers have reached \r\ntheir end of life and are no longer commercially available. They have\r\nbeen replaced by the Modicon M580 ePAC controller, our most \r\ncurrent product offer. Customers should strongly consider migrating \r\nto the Modicon M580 ePAC. Please contact your local Schneider \r\nElectric technical support for more information",
          "product_ids": [
            "13"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "no_fix_planned",
          "details": "Disable the Web server using \u0027Web Access (HTTP)\u0027 via \r\nUnityPro / EcoStruxure Control Expert using the following \r\nguideline \u201cPremium and Atrium using EcoStruxure\u2122 Control \r\nExpert - Ethernet Network Modules, User Manual\u201d in the \r\nchapter \u201cSecurity Service Configuration Parameters / \r\nSecurity (Enable / Disable HTTP, FTP, and TFTP)\u201d: \r\nhttps://www.se.com/ww/en/download/document/35006192K\r\n01000\r\nFor further information, please check the \u201cPremium and Atrium using \r\nEcoStruxure\u2122 Control Expert - Ethernet Network Modules, User \r\nManual\u201d and the Modicon Controllers Platform Cyber Security \r\nReference Manual https://download.schneider\u0002electric.com/files?p_enDocType=User+guide\u0026p_File_Name=EIO00\r\n00001999.07.pdf\u0026p_Doc_Ref=EIO0000001999",
          "product_ids": [
            "14"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "To mitigate the risks, users should immediately:\r\n\u2022 Configure the Access Control List following the recommendations of the user manual \r\n\u201cModicon M340 for Ethernet Communications Modules and Processors User Manual\u201d in \r\nchapter \u201cMessaging Configuration Parameters\u201d: \r\nhttps://www.se.com/ww/en/download/document/31007131K01000/\r\n\u2022 Disable the Web server using \u0027Web Access (HTTP)\u0027 via UnityPro / EcoStruxure Control \r\nExpert using the following guideline: \u201cModicon M340 for Ethernet - Communication \r\nModules and Processors, User Manual\u201d in the chapter \u201cSecurity / Security features\u201d: \r\nhttps://www.se.com/ww/en/download/document/31007131K01000. \r\nThis is disabled by default when a new application is created\r\n",
          "product_ids": [
            "1"
          ],
          "restart_required": {
            "category": "none"
          }
        },
        {
          "category": "mitigation",
          "details": "Disable the Web server using \u0027Web Access (HTTP)\u0027 via UnityPro / EcoStruxure Control Expert \r\nusing the following guideline \u201c Quantum using EcoStruxure\u2122 Control Expert - TCP/IP \r\nConfiguration, User Manual\u201d in the chapter \u201cSecurity (Enable / Disable HTTP, FTP, and TFTP)\u201d:\r\nhttps://www.se.com/ww/en/download/document/33002479K01000\r\nFor further information, please check the \u201cQuantum using EcoStruxure\u2122 Control Expert - \r\nTCP/IP Configuration, User Manual\u201d and the Modicon Controllers Platform Cyber Security \r\nReference Manual",
          "product_ids": [
            "9"
          ],
          "restart_required": {
            "category": "none"
          }
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
          "products": [
            "1",
            "3",
            "5",
            "7",
            "9",
            "11",
            "12",
            "13",
            "14"
          ]
        }
      ],
      "title": "CVE-2020-7549"
    }
  ]
}