{
  "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": "SIMATIC IPC DiagBase and SIMATIC IPC DiagMonitor contain a weak registry permission vulnerability that could allow an authenticated attacker to perform privilege escalation or bypass security measures.\n\nSiemens 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-369369: Weak Registry Permission Vulnerability in SIMATIC IPC DiagBase and SIMATIC IPC DiagMonitor - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-369369.html"
      },
      {
        "category": "self",
        "summary": "SSA-369369: Weak Registry Permission Vulnerability in SIMATIC IPC DiagBase and SIMATIC IPC DiagMonitor - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-369369.json"
      }
    ],
    "title": "SSA-369369: Weak Registry Permission Vulnerability in SIMATIC IPC DiagBase and SIMATIC IPC DiagMonitor",
    "tracking": {
      "current_release_date": "2025-04-08T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-369369",
      "initial_release_date": "2025-02-11T00:00:00Z",
      "revision_history": [
        {
          "date": "2025-02-11T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2025-04-08T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added Sixtus Leonhardsberger to Acknowledgment"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "SIMATIC IPC DiagBase",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC IPC DiagBase"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "SIMATIC IPC DiagMonitor",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC IPC DiagMonitor"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-23403",
      "cwe": {
        "id": "CWE-732",
        "name": "Incorrect Permission Assignment for Critical Resource"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected device do not properly restrict the user permission for the registry key. This could allow an authenticated attacker to load vulnerable drivers into the system leading to privilege escalation or bypassing endpoint protection and other security measures.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Remove the user privilege by modifying the registry manually or running a script. For more information refer the FAQ section at: \nhttps://support.industry.siemens.com/cs/document/109978178",
          "product_ids": [
            "1",
            "2"
          ]
        },
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "1",
            "2"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.0,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "title": "CVE-2025-23403"
    }
  ]
}