ssa-280834
Vulnerability from csaf_siemens
Published
2025-03-11 00:00
Modified
2025-03-11 00:00
Summary
SSA-280834: Improper OpenVPN Credential Validation Vulnerability in SCALANCE M-800 and SC-600 Families

Notes

Summary
SCALANCE M-800 and SC-600 families are affected by improper input validation in the OpenVPN authentication. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
General Recommendations
As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Terms of Use
The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.


To clipboard 

{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "SCALANCE M-800 and SC-600 families are affected by improper input validation in the OpenVPN authentication. \n\nSiemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
        "title": "General Recommendations"
      },
      {
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productcert@siemens.com",
      "name": "Siemens ProductCERT",
      "namespace": "https://www.siemens.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-280834: Improper OpenVPN Credential Validation Vulnerability in SCALANCE M-800 and SC-600 Families - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-280834.html"
      },
      {
        "category": "self",
        "summary": "SSA-280834: Improper OpenVPN Credential Validation Vulnerability in SCALANCE M-800 and SC-600 Families - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-280834.json"
      }
    ],
    "title": "SSA-280834: Improper OpenVPN Credential Validation Vulnerability in SCALANCE M-800 and SC-600 Families",
    "tracking": {
      "current_release_date": "2025-03-11T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-280834",
      "initial_release_date": "2025-03-11T00:00:00Z",
      "revision_history": [
        {
          "date": "2025-03-11T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        }
      ],
      "status": "interim",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
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            "branches": [
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                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2)",
                  "product_id": "1",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK6108-4AM00-2BA2"
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            ],
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          },
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            "name": "RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2)"
          },
          {
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                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
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                  "product_id": "3",
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                      "6GK5804-0AP00-2AA2"
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                }
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            ],
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          },
          {
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                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE M812-1 ADSL-Router family"
          },
          {
            "branches": [
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                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
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                  "product_id": "5"
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE M816-1 ADSL-Router family"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2)",
                  "product_id": "6",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5826-2AB00-2AB2"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE M874-2 (6GK5874-2AA00-2AA2)",
                  "product_id": "7",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5874-2AA00-2AA2"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE M874-2 (6GK5874-2AA00-2AA2)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE M874-3 3G-Router (CN) (6GK5874-3AA00-2FA2)",
                  "product_id": "8",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5874-3AA00-2FA2"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE M874-3 3G-Router (CN) (6GK5874-3AA00-2FA2)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE M874-3 (6GK5874-3AA00-2AA2)",
                  "product_id": "9",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5874-3AA00-2AA2"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE M874-3 (6GK5874-3AA00-2AA2)"
          },
          {
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                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE M876-3 (6GK5876-3AA02-2BA2)",
                  "product_id": "10",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5876-3AA02-2BA2"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE M876-3 (6GK5876-3AA02-2BA2)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2)",
                  "product_id": "11",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5876-3AA02-2EA2"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE M876-4 (6GK5876-4AA10-2BA2)",
                  "product_id": "12",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5876-4AA10-2BA2"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE M876-4 (6GK5876-4AA10-2BA2)"
          },
          {
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                  "product_identification_helper": {
                    "model_numbers": [
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                    ]
                  }
                }
              }
            ],
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          },
          {
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                  "product_identification_helper": {
                    "model_numbers": [
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                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2)"
          },
          {
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              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE MUB852-1 (A1) (6GK5852-1EA10-1AA1)",
                  "product_id": "15",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5852-1EA10-1AA1"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE MUB852-1 (A1) (6GK5852-1EA10-1AA1)"
          },
          {
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                "category": "product_version_range",
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                  "product_identification_helper": {
                    "model_numbers": [
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                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE MUB852-1 (B1) (6GK5852-1EA10-1BA1)"
          },
          {
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              {
                "category": "product_version_range",
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                "product": {
                  "name": "SCALANCE MUM853-1 (A1) (6GK5853-2EA10-2AA1)",
                  "product_id": "17",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5853-2EA10-2AA1"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE MUM853-1 (A1) (6GK5853-2EA10-2AA1)"
          },
          {
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              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE MUM853-1 (B1) (6GK5853-2EA10-2BA1)",
                  "product_id": "18",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5853-2EA10-2BA1"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE MUM853-1 (B1) (6GK5853-2EA10-2BA1)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1)",
                  "product_id": "19",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5853-2EA00-2DA1"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE MUM856-1 (A1) (6GK5856-2EA10-3AA1)",
                  "product_id": "20",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5856-2EA10-3AA1"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE MUM856-1 (A1) (6GK5856-2EA10-3AA1)"
          },
          {
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              {
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                }
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            "category": "product_name",
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          },
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                  "product_id": "23",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5856-2EA00-3DA1"
                    ]
                  }
                }
              }
            ],
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            "name": "SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1)"
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                  "product_id": "24",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5856-2EA00-3AA1"
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                }
              }
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            "category": "product_name",
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          },
          {
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              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2)",
                  "product_id": "25",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5615-0AA01-2AA2"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/\u003cV8.2.1",
                "product": {
                  "name": "SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2)",
                  "product_id": "26",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK5615-0AA00-2AA2"
                    ]
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "SCALANCE SC-600 family",
                  "product_id": "27"
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE SC-600 family"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-23384",
      "cwe": {
        "id": "CWE-187",
        "name": "Partial String Comparison"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected devices improperly validate usernames during OpenVPN authentication. This could allow an attacker to get partial invalid usernames accepted by the server.",
          "title": "Summary"
        },
        {
          "category": "summary",
          "text": "A remote attacker needs to have access to a valid certificate in order to perform a successful attack.",
          "title": "For SCALANCE SC-600 family"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "9",
          "8",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "17",
          "18",
          "19",
          "20",
          "21",
          "22",
          "23",
          "24",
          "25",
          "26",
          "27"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Apply a strong password policy for your devices.",
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "9",
            "8",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25",
            "26",
            "27"
          ]
        },
        {
          "category": "none_available",
          "details": "Currently no fix is available",
          "product_ids": [
            "27"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V8.2.1 or later version",
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "9",
            "8",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25",
            "26"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109983338/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "9",
            "8",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25",
            "26"
          ]
        },
        {
          "cvss_v3": {
            "baseScore": 2.2,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "27"
          ]
        }
      ],
      "title": "CVE-2025-23384"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.