{
  "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 the web server of the Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and associated communication modules. The Modicon Ethernet Programmable Automation controller products are controllers for industrial process and infrastructure.  Failure to apply the remediations provided below may risk an attack on the web server, which could result in disclosure of sensitive information.September 2022 Update: A remediation is available for Modicon M340 X80 Ethernet Communication Modules BMXNOC0401 (page 2). ",
        "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 and Modicon Premium and Associated Communication Modules - SEVD-2020-343-05 PDF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2020-343-05\u0026_ga=2.95765150.368444057.1662849445-967930403.1652192677"
      },
      {
        "category": "self",
        "summary": "Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and Associated Communication Modules - SEVD-2020-343-05 CSAF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2020-343-05\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=sevd-2020-343-05.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 and Modicon Premium and Associated Communication Modules",
    "tracking": {
      "current_release_date": "2022-09-13T20:04:43.000Z",
      "generator": {
        "date": "2022-09-12T22:16:30.488Z",
        "engine": {
          "name": "Secvisogram",
          "version": "1.14.0"
        }
      },
      "id": "SEVD-2020-343-05",
      "initial_release_date": "2020-12-08T21:04:43.000Z",
      "revision_history": [
        {
          "date": "2020-12-08T21:04:43.000Z",
          "number": "1.0.0",
          "summary": "Original Release"
        },
        {
          "date": "2021-05-11T20:04:43.000Z",
          "number": "2.0.0",
          "summary": "Added all versions of BMXNOC0401 to the affected products table."
        },
        {
          "date": "2022-09-13T20:04:43.000Z",
          "number": "3.0.0",
          "summary": "A remediation is available for Modicon M340 X80 Ethernet Communication Modules BMXNOC0401 (page 2).\r\n"
        }
      ],
      "status": "final",
      "version": "3.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV3.30",
                "product": {
                  "name": "Schneider Electric Modicon M340 CPUs BMXP34* versions prior to V3.30",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "Firmware V3.30",
                "product": {
                  "name": "Schneider Electric Modicon M340 CPUs BMXP34*  Firmware V3.30",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 CPUs BMXP34* "
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV3.4 ",
                "product": {
                  "name": "Schneider Electric Modicon M340 X80 Ethernet Communication modules BMXNOE0100 (H) prior to version 3.4",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "Firmware V3.4",
                "product": {
                  "name": "Schneider Electric Modicon M340 X80 Ethernet Communication module BMXNOE0100 (H) Firmware V3.4",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 X80 Ethernet Communication module BMXNOE0100 (H)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV6.6",
                "product": {
                  "name": "Schneider Electric Modicon M340 X80 Ethernet Communication modules BMXNOE0110 (H) prior to version 6.6",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "Firmware V6.6",
                "product": {
                  "name": "Schneider Electric Modicon M340 X80 Ethernet Communication module BMXNOE0110 (H) Firmware V6.6",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 X80 Ethernet Communication module BMXNOE0110 (H)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV2.11",
                "product": {
                  "name": "Schneider Electric Modicon M340 X80 Ethernet Communication modules BMXNOC0401 \u003cV2.11",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "V2.11",
                "product": {
                  "name": "Schneider Electric Modicon M340 X80 Ethernet Communication module BMXNOC0401 V2.11",
                  "product_id": "CSAFPID-0005"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340 X80 Ethernet Communication module BMXNOC0401"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": " all versions",
                "product": {
                  "name": "Schneider Electric Modicon Premium processors with integrated Ethernet COPRO TSXP574634 all versions",
                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Premium processors with integrated Ethernet COPRO TSXP574634"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "all versions",
                "product": {
                  "name": "Schneider Electric Modicon Premium processors with integrated Ethernet COPRO TSXP575634 all versions",
                  "product_id": "6"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Premium processors with integrated Ethernet COPRO TSXP575634"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "all versions",
                "product": {
                  "name": "Schneider Electric Modicon Premium processors with integrated Ethernet COPRO TSXP576634 all versions",
                  "product_id": "7"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Premium processors with integrated Ethernet COPRO TSXP576634"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "all versions",
                "product": {
                  "name": "Schneider Electric Modicon Quantum processors with integrated Ethernet COPRO 140CPU65xxxxx all versions",
                  "product_id": "8"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Quantum processors with integrated Ethernet COPRO 140CPU65xxxxx"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": " \u003cV7.3",
                "product": {
                  "name": "Schneider Electric Modicon Quantum communication modules 140NOE771x1 versions prior to V7.3",
                  "product_id": "9"
                }
              },
              {
                "category": "product_version",
                "name": "Firmware V7.3",
                "product": {
                  "name": "Schneider Electric Modicon Quantum communication modules 140NOE771x1 Firmware V7.3",
                  "product_id": "CSAFPID-0006"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Quantum communication modules 140NOE771x1"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": " all versions",
                "product": {
                  "name": "Schneider Electric Modicon Quantum communication modules 140NOC78x00 all versions",
                  "product_id": "10"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Quantum communication modules 140NOC78x00"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "all versions",
                "product": {
                  "name": "Schneider Electric Modicon Quantum communication modules 140NOC77101 all versions",
                  "product_id": "11"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Quantum communication modules 140NOC77101"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": " all versions",
                "product": {
                  "name": "Schneider Electric Modicon Premium communication modules TSXETY4103 all versions",
                  "product_id": "12"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Premium communication modules TSXETY4103"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "all versions",
                "product": {
                  "name": "Schneider Electric Modicon Premium communication modules TSXETY5103 all versions",
                  "product_id": "13"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon Premium communication modules TSXETY5103"
          }
        ],
        "category": "vendor",
        "name": "Schneider Electric"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Zheng Qiang"
          ]
        },
        {
          "names": [
            "Peter Cheng"
          ],
          "organization": "ELEX FEIGONG RESEARCH INSTITUTE"
        }
      ],
      "cve": "CVE-2020-7535",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
      },
      "notes": [
        {
          "category": "description",
          "text": "A CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027 Vulnerability Type)vulnerability exists that could cause disclosure of information when sending a specially crafted request to the controller over HTTP."
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004",
          "CSAFPID-0005",
          "CSAFPID-0006"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Firmware V3.30 is available for all the product references. Follow this link and find the right firmware file based on model used. https://www.se.com/ww/en/product-range/1468-modicon-m340/?parent-subcategory-id=3950",
          "product_ids": [
            "1"
          ],
          "url": "https://www.se.com/ww/en/product-range/1468-modicon-m340/?parent-subcategory-id=3950"
        },
        {
          "category": "mitigation",
          "details": "Disable the Web server using \u0027Web Access (HTTP)\u0027 via UnityPro / EcoStruxure Control Expert using the following guideline: \u201cModicon M340 for Ethernet - Communication Modules and Processors, User Manual\u201d in the chapter \u201cSecurity / Security features\u201d: https://www.se.com/ww/en/download/document/31007131K01000.  ",
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "9"
          ],
          "url": "https://www.se.com/ww/en/download/document/31007131K01000"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware V3.4 is available for download belowFirmware V3.4 is available for download belowhttps://www.se.com/ww/en/download/document/BMXNOE0100 Exec and Release Notes/",
          "product_ids": [
            "2"
          ],
          "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 belowhttps://www.se.com/ww/en/download/document/BMXNOE0110 Exec and Release Notes/",
          "product_ids": [
            "3"
          ],
          "url": "https://www.se.com/ww/en/download/document/BMXNOE0110%20Exec%20and%20Release%20Notes/"
        },
        {
          "category": "vendor_fix",
          "details": "BMXNOC0401 V2.11 is available for download that has a fix of the reported vulnerabilities: https://www.se.com/ww/en/product/BMXNOC0401/ethernet-tcp-ip-network-module-modicon-m340-automation-platform-4-x-rj45-10-100/",
          "product_ids": [
            "4"
          ],
          "url": "https://www.se.com/ww/en/product/BMXNOC0401/ethernet-tcp-ip-network-module-modicon-m340-automation-platform-4-x-rj45-10-100/"
        },
        {
          "category": "vendor_fix",
          "details": "Firmware V7.3 is available for download belowhttps://www.se.com/ww/en/download/document/140NOE77101 Exec and Release Notes/",
          "product_ids": [
            "9"
          ],
          "url": "https://www.se.com/ww/en/download/document/140NOE77101%20Exec%20and%20Release%20Notes/"
        },
        {
          "category": "no_fix_planned",
          "details": "Modicon Quantum and associated communication modules:Schneider Electric\u2019s Modicon 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 most current product offer. Customers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.To mitigate the risks, users should immediately:\u2022Disable the Web server using \u0027Web Access (HTTP)\u0027 via UnityPro / EcoStruxure Control Expert using the following guideline \u201c Quantum using EcoStruxure\u2122 Control Expert - TCP/IP Configuration, User Manual\u201d in the chapter \u201cSecurity (Enable / Disable HTTP, FTP, and TFTP)\u201d:https://www.se.com/ww/en/download/document/33002479K01000",
          "product_ids": [
            "8",
            "10",
            "11"
          ]
        },
        {
          "category": "no_fix_planned",
          "details": "Modicon Premium and associated communication Modules: 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. Customers should strongly consider migrating to the Modicon M580 ePAC. Please contact your local Schneider Electric technical support for more information.To mitigate the risks, users should immediately:\u2022Disable the Web server using \u0027Web Access (HTTP)\u0027 via UnityPro / EcoStruxure Control Expert using the following guideline \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert - Ethernet Network Modules, User Manual\u201d in the chapter \u201cSecurity Service Configuration Parameters / Security (Enable / Disable HTTP, FTP, and TFTP)\u201d: https://www.se.com/ww/en/download/document/35006192K01000\nFor further information, please check the \u201cPremium and Atrium using EcoStruxure\u2122 Control Expert - Ethernet Network Modules, User Manual\u201d and the Modicon Controllers Platform Cyber Security Reference Manual",
          "product_ids": [
            "12",
            "13",
            "5",
            "6",
            "7"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13"
          ]
        }
      ]
    }
  ]
}