{
  "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 and BMXNOE0100 and \nBMXNOE0110 products. \nThe Modicon M340 is a programmable automation controller; BMXNOE0100 and \nBMXNOE0110 are network modules used with Modicon M340. \nFailure to apply the mitigations provided below may prevent user to update the device firmware \nand prevent proper behavior of the webserver. The BMXNOE and Modicon M340 operations\nare not impacted by this vulnerability.\nAugust Update: Remediations are available for BMXNOE0100 (Modbus/TCP Ethernet Modicon \nM340 module) and BMXNOE0110 (Modbus/TCP Ethernet Modicon M340 FactoryCast module)",
        "title": "Overview"
      },
      {
        "category": "other",
        "text": "Customers should use appropriate patching methodologies when applying these patches to their systems. We strongly recommend the use of back-ups and evaluating the impact of these patches in a Test and Development environment or on an offline infrastructure. Contact Schneider Electric\u2019s Customer Care Center if you need assistance removing a patch. "
      },
      {
        "category": "other",
        "text": "The severity of vulnerabilities was calculated using the CVSS Base metrics in version 3.1 (CVSS v3.1 https://www.first.org/cvss/calculator/3.1) without incorporating the Temporal and Environmental metrics. Schneider Electric recommends that customers score the CVSS Environmental metrics, which are specific to end-user organizations, and consider factors such as the presence of mitigations in that environment. Environmental metrics may refine the relative severity posed by the vulnerabilities described in this document within a customer\u2019s environment."
      }
    ],
    "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 and BMXNOE0100 and BMXNOE0110 - SEVD-2024-163-01 PDF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2024-163-01\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2024-163-01.pdf"
      },
      {
        "category": "self",
        "summary": "Modicon M340 and BMXNOE0100 and BMXNOE0110 - SEVD-2024-163-01 CSAF Version",
        "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2024-163-01\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=sevd-2024-163-01.json"
      },
      {
        "category": "external",
        "summary": "Recommended Cybersecurity Best Practices",
        "url": "https://www.se.com/us/en/download/document/7EN52-0390/"
      }
    ],
    "title": "Modicon M340, Modbus/TCP Ethernet Modicon M340 module, and Modbus/TCP Ethernet Modicon M340 FactoryCast module",
    "tracking": {
      "current_release_date": "2025-08-12T04:00:00.000Z",
      "generator": {
        "date": "2025-08-11T03:55:27.791Z",
        "engine": {
          "name": "Schneider Electric CSAF Generator",
          "version": "1.2"
        }
      },
      "id": "SEVD-2024-163-01",
      "initial_release_date": "2024-06-11T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2024-06-11T00:00:00.000Z",
          "number": "1.0.0",
          "summary": "Original Release"
        },
        {
          "date": "2025-08-12T04:00:00.000Z",
          "number": "2.0.0",
          "summary": "Remediations are available for BMXNOE0100\n(Modbus/TCP Ethernet Modicon M340 module) \nand BMXNOE0110 (Modbus/TCP Ethernet \nModicon M340 FactoryCast module)"
        }
      ],
      "status": "final",
      "version": "2.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "Schneider Electric Modicon M340 All versions",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "Modicon M340"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cSV3.60",
                "product": {
                  "name": "Schneider Electric Modbus/TCP Ethernet Modicon M340 module Versions prior to SV3.60",
                  "product_id": "2",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOE0100"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modbus/TCP Ethernet Modicon M340 module"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "SV3.60",
                "product": {
                  "name": "Schneider Electric Modbus/TCP Ethernet Modicon M340 module Version SV3.60",
                  "product_id": "4",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOE0100"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modbus/TCP Ethernet Modicon M340 module"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cSV6.80",
                "product": {
                  "name": "Schneider Electric Modbus/TCP Ethernet Modicon M340 FactoryCast module Versions prior to SV6.80",
                  "product_id": "3",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOE0110"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modbus/TCP Ethernet Modicon M340 FactoryCast module"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "SV6.80",
                "product": {
                  "name": "Schneider Electric Modbus/TCP Ethernet Modicon M340 FactoryCast module Version SV6.80",
                  "product_id": "5",
                  "product_identification_helper": {
                    "model_numbers": [
                      "BMXNOE0110"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Modbus/TCP Ethernet Modicon M340 FactoryCast module"
          }
        ],
        "category": "vendor",
        "name": "Schneider Electric"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Yanis Wang"
          ],
          "organization": "DAS-Security"
        }
      ],
      "cve": "CVE-2024-5056",
      "cwe": {
        "id": "CWE-552",
        "name": "Files or Directories Accessible to External Parties"
      },
      "notes": [
        {
          "category": "description",
          "text": "CWE-552: Files or Directories Accessible to External Parties vulnerability exists which may \r\nprevent user to update the device firmware and prevent proper behavior of the webserver when \r\nspecific files or directories are removed from the filesystem.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "4",
          "5"
        ],
        "known_affected": [
          "1",
          "2",
          "3"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Schneider Electric is establishing a remediation plan for all \nfuture versions of Modicon M340 that will include a fix for this \nvulnerability. We will update this document when the \nremediation is available. \nUntil then, customers should immediately apply the following \nmitigations to reduce the risk of exploit:\n\u2022 Setup network segmentation and implement a firewall \nto block all unauthorized access to FTP port 21/TCP on \nthe devices.\n\u2022 FTP service is disabled by default. Deactivate the FTP \nservice after use when not needed.\n\u2022 Configure the Access Control List following the \nrecommendations of the user manuals:\no \u201cModicon M340 for Ethernet Communications \nModules and Processors User Manual\u201d in \nchapter \u201cMessaging Configuration Parameters\u201d: \nhttps://www.se.com/ww/en/download/document/31\n007131K01000/",
          "product_ids": [
            "1"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://www.se.com/ww/en/download/document/31007131K01000/"
        },
        {
          "category": "vendor_fix",
          "details": "Version SV3.60 of BMXNOE0100 includes a fix for this vulnerability and is \navailable for download here:\nhttps://www.se.com/ww/en/product/BMXNOE0100/network-module-modicon-m340-modbus-tcp-1-x-rj45-flash-memory-card",
          "product_ids": [
            "2"
          ],
          "url": "https://www.se.com/ww/en/product/BMXNOE0100/network-module-modicon-m340-modbus-tcp-1-x-rj45-flash-memory-card/"
        },
        {
          "category": "vendor_fix",
          "details": "Version SV6.80 of BMXNOE0110 includes a fix for this vulnerability and is \navailable for download here:\nhttps://www.se.com/ww/en/product/BMXNOE0110/ethernet-tcp-ip-network-module-modicon-m340-automation-platform-flash-memory-card-internal-ram-16-mb-1-x-rj45-10-100/",
          "product_ids": [
            "3"
          ],
          "url": "https://www.se.com/ww/en/product/BMXNOE0110/ethernet-tcp-ip-network-module-modicon-m340-automation-platform-flash-memory-card-internal-ram-16-mb-1-x-rj45-10-100/"
        },
        {
          "category": "mitigation",
          "details": "If customers choose not to apply the remediation provided above, they should immediately \napply the following mitigations to reduce the risk of exploit: \n\u2022 Setup network segmentation and implement a firewall \nto block all unauthorized access to FTP port 21/TCP on \nthe devices.\n\u2022 FTP service is disabled by default. Deactivate the FTP \nservice after use when not needed.\n\u2022 Configure the Access Control List following the \nrecommendations of the user manuals:\no \u201cModicon M340 for Ethernet Communications \nModules and Processors User Manual\u201d in \nchapter \u201cMessaging Configuration Parameters\u201d: \nhttps://www.se.com/ww/en/download/document/31\n007131K01000/",
          "product_ids": [
            "2",
            "3"
          ],
          "url": "https://www.se.com/ww/en/download/document/31007131K01000/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3"
          ]
        }
      ],
      "title": "CVE-2024-5056"
    }
  ]
}