{
  "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": "Affected SIPROTEC 5 devices do not properly limit the access of the web server to the filesystem. This could allow an authenticated remote attacker to read arbitrary files or the entire filesystem of the device.\n\nSiemens has released new versions for the affected products and recommends to update to the latest versions.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "Operators of critical power systems (e.g. TSOs or DSOs) worldwide are usually required by regulations to build resilience into the power grids by applying multi-level redundant secondary protection schemes. It is therefore recommended that the operators check whether appropriate resilient protection measures are in place. The risk of cyber incidents impacting the grid's reliability can thus be minimized by virtue of the grid design.\nSiemens strongly recommends applying the provided security updates using the corresponding tooling and documented procedures made available with the product. If supported by the product, an automated means to apply the security updates across multiple product instances may be used. Siemens strongly recommends prior validation of any security update before being applied, and supervision by trained staff of the update process in the target environment. \nAs a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g. firewalls, segmentation, VPN). It is advised to configure the environment according to our operational guidelines in order to run the devices in a protected IT environment.\n\nRecommended security guidelines can be found at:\nhttps://www.siemens.com/gridsecurity",
        "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-194557: Improper Limitation of Filesystem Access through Web Server Vulnerability in SIPROTEC 5 - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-194557.html"
      },
      {
        "category": "self",
        "summary": "SSA-194557: Improper Limitation of Filesystem Access through Web Server Vulnerability in SIPROTEC 5 - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-194557.json"
      }
    ],
    "title": "SSA-194557: Improper Limitation of Filesystem Access through Web Server Vulnerability in SIPROTEC 5",
    "tracking": {
      "current_release_date": "2025-11-11T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-194557",
      "initial_release_date": "2025-01-14T00:00:00Z",
      "revision_history": [
        {
          "date": "2025-01-14T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2025-02-11T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added fix version for 6MD89 (CP300)"
        },
        {
          "date": "2025-03-11T00:00:00Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Added fix for SIPROTEC 5 7ST85 (CP300); Changed fix version for SIPROTEC 5 6MD89 (CP300) from V9.90 to V9.68; Added mitigation"
        },
        {
          "date": "2025-11-11T00:00:00Z",
          "legacy_version": "1.3",
          "number": "4",
          "summary": "Added fix for SIPROTEC 5 7SA82 (CP100), SIPROTEC 5 7SD82 (CP100), SIPROTEC 5 7SJ81 (CP100), SIPROTEC 5 7SJ82 (CP100), SIPROTEC 5 7SK82 (CP100), SIPROTEC 5 7SL82 (CP100), SIPROTEC 5 7UT82 (CP100)"
        }
      ],
      "status": "interim",
      "version": "4"
    }
  },
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  "vulnerabilities": [
    {
      "cve": "CVE-2024-53649",
      "cwe": {
        "id": "CWE-552",
        "name": "Files or Directories Accessible to External Parties"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected devices do not properly limit the path accessible via their webserver.  This could allow an authenticated remote attacker to read arbitrary files from the filesystem of affected devices.",
          "title": "Summary"
        }
      ],
      "product_status": {
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          "2",
          "3",
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          "36",
          "37",
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      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Disable the web server of the affected system",
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            "2",
            "3",
            "4",
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          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V9.68 or later version",
          "product_ids": [
            "4",
            "29"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109742950/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V9.80 or later version",
          "product_ids": [
            "1",
            "8",
            "12",
            "16",
            "18",
            "22",
            "25",
            "30",
            "31",
            "33",
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          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109814150/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V9.80 or later version",
          "product_ids": [
            "2",
            "3",
            "5",
            "6",
            "9",
            "10",
            "13",
            "14",
            "19",
            "20",
            "23",
            "26",
            "27",
            "28",
            "32",
            "34",
            "37",
            "38",
            "39",
            "40",
            "41"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109757428/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V9.80 or later version",
          "product_ids": [
            "43"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109796884/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V8.90 or later V8.xx version",
          "product_ids": [
            "7",
            "11",
            "15",
            "17",
            "21",
            "24",
            "35"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25",
            "26",
            "27",
            "28",
            "29",
            "30",
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            "32",
            "33",
            "34",
            "35",
            "36",
            "37",
            "38",
            "39",
            "40",
            "41",
            "42",
            "43"
          ]
        }
      ],
      "title": "CVE-2024-53649"
    }
  ]
}