{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Sharon Brizino"
        ],
        "organization": "Claroty",
        "summary": "discovered and reported"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-GB",
    "notes": [
      {
        "category": "summary",
        "text": "The Phoenix Contact application \u0027PC WORX SRT\u0027 is installed as service. The installation path of the application is configured to have insecure permissions which allows any unprivileged user to write arbitrary files to the installation directory where all the configuration files and binaries of the service are located.",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "A malicious user can leverage this knowledge and override the main \u0027PC WORX SRT\u0027 service with a rogue binary which will result with running malicious code as SYSTEM user.",
        "title": "Impact"
      },
      {
        "category": "description",
        "text": "Customers using PC WORX SRT are strongly recommended to use the software only on single user systems where restricting the access rights of the PC WORX SRT is not necessary.\n\nPhoenix Contact strongly recommends protection measures against unauthorized access for network-compatible devices, solutions and PC-based software. For detailed information please refer to our application note:\n\nMeasures to protect network-compatible devices with communication interfaces, solutions and PC-based software against unauthorized access",
        "title": "Mitigation"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@phoenixcontact.com",
      "name": "Phoenix Contact GmbH \u0026 Co. KG",
      "namespace": "https://phoenixcontact.com/psirt"
    },
    "references": [
      {
        "category": "external",
        "summary": "CERT@VDE Security Advisories for Phoenix Contact",
        "url": "https://certvde.com/en/advisories/vendor/phoenixcontact/"
      },
      {
        "category": "self",
        "summary": "VDE-2020-012: PHOENIX CONTACT: Local Privilege Escalation in PC WORX SRT - HTML",
        "url": "https://certvde.com/de/advisories/VDE-2020-012/"
      },
      {
        "category": "self",
        "summary": "VDE-2020-012: PHOENIX CONTACT: Local Privilege Escalation in PC WORX SRT - CSAF",
        "url": "https://phoenixcontact.csaf-tp.certvde.com/.well-known/csaf/white/2020/vde-2020-012.json"
      }
    ],
    "title": "PHOENIX CONTACT: Local Privilege Escalation in PC WORX SRT",
    "tracking": {
      "aliases": [
        "VDE-2020-012"
      ],
      "current_release_date": "2025-05-22T13:03:10.000Z",
      "generator": {
        "date": "2024-10-02T12:22:38.130Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.5.12"
        }
      },
      "id": "VDE-2020-012",
      "initial_release_date": "2020-03-27T09:47:00.000Z",
      "revision_history": [
        {
          "date": "2020-03-27T09:47:00.000Z",
          "number": "1",
          "summary": "Initial revision."
        },
        {
          "date": "2024-11-06T11:27:01.000Z",
          "number": "2",
          "summary": "Fix: correct certvde domain, added self-reference"
        },
        {
          "date": "2025-05-22T13:03:10.000Z",
          "number": "3",
          "summary": "Fix: version space, quotation mark"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "branches": [
                  {
                    "category": "product_version_range",
                    "name": "\u003c=1.14",
                    "product": {
                      "name": "Software PC WORX SRT \u003c=1.14",
                      "product_id": "CSAFPID-21001",
                      "product_identification_helper": {
                        "model_numbers": [
                          "2701680"
                        ]
                      }
                    }
                  }
                ],
                "category": "product_name",
                "name": "PC WORX SRT"
              }
            ],
            "category": "product_family",
            "name": "Software"
          }
        ],
        "category": "vendor",
        "name": "PHOENIX CONTACT"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-10939",
      "cwe": {
        "id": "CWE-269",
        "name": "Improper Privilege Management"
      },
      "notes": [
        {
          "category": "description",
          "text": "Insecure, default path permissions in PHOENIX CONTACT PC WORX SRT through 1.14 allow for local privilege escalation.",
          "title": "Vulnerability Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-21001"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Customers using PC WORX SRT are strongly recommended to use the software only on single user systems where restricting the access rights of the PC WORX SRT is not necessary.\n\nPhoenix Contact strongly recommends protection measures against unauthorized access for network-compatible devices, solutions and PC-based software. For detailed information please refer to our application note:\n\nMeasures to protect network-compatible devices with communication interfaces, solutions and PC-based software against unauthorized access",
          "product_ids": [
            "CSAFPID-21001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 7.8,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "temporalScore": 7.8,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-21001"
          ]
        }
      ],
      "title": "CVE-2020-10939"
    }
  ]
}