SSA-267056

Vulnerability from csaf_siemens - Published: 2025-11-11 00:00 - Updated: 2025-11-11 00:00
Summary
SSA-267056: Multiple Vulnerabilities in LOGO! 8 BM Devices

Notes

Summary
LOGO! 8 BM (incl. SIPLUS variants) contains multiple vulnerabilities. These could allow an attacker to execute code remotely, put the device into a denial of service state, or change the behavior of the device. Siemens is preparing 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.
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        "category": "summary",
        "text": "LOGO! 8 BM (incl. SIPLUS variants) contains multiple vulnerabilities. These could allow an attacker to execute code remotely, put the device into a denial of service state, or change the behavior of the device.\n\nSiemens is preparing 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: https://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"
      },
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        "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"
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  "vulnerabilities": [
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      "cwe": {
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        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected devices do not properly validate the structure of TCP packets in several methods. This could allow an attacker to cause buffer overflows, get control over the instruction counter and run custom code.",
          "title": "Summary"
        }
      ],
      "product_status": {
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          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
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          "10",
          "11",
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        ]
      },
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          "category": "mitigation",
          "details": "Protect the LSC access to the device with a strong password.",
          "product_ids": [
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            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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      ],
      "title": "CVE-2025-40815"
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        "name": "Missing Authentication for Critical Function"
      },
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        {
          "category": "summary",
          "text": "Affected devices do not conduct certain validations when interacting with them. This could allow an unauthenticated remote attacker to manipulate the devices IP address, which means the device would not be reachable.",
          "title": "Summary"
        }
      ],
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      ],
      "title": "CVE-2025-40816"
    },
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        "id": "CWE-306",
        "name": "Missing Authentication for Critical Function"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected devices do not conduct certain validations when interacting with them. This could allow an unauthenticated remote attacker to change time of the device, which means the device could behave differently.",
          "title": "Summary"
        }
      ],
      "product_status": {
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          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
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          "10",
          "11",
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            "3",
            "4",
            "5",
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            "7",
            "8",
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            "14",
            "15",
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            "11",
            "12",
            "13",
            "14",
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            "16"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
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          },
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        }
      ],
      "title": "CVE-2025-40817"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.