{
  "document": {
    "acknowledgments": [
      {
        "organization": "CERT@VDE",
        "summary": "coordination",
        "urls": [
          "https://certvde.com"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.first.org/cvss/v3.1/specification-document#Qualitative-Severity-Rating-Scale",
      "text": "High"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-GB",
    "notes": [
      {
        "audience": "csaf creator",
        "category": "other",
        "text": "Link to repository: [CERT@VDE CSAF Template](https://github.com/CERTVDE/CSAF-Template) © 2025 by [CERT@VDE](https://certvde.com) is licensed under [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/?ref=chooser-v1) \n\nThis document note may only be removed in order to create a CSAF advisory based on this template.",
        "title": "LICENSE"
      },
      {
        "category": "summary",
        "text": "**PIT User Authentication Service is part of the operating mode selection and access permission system PITmode.** The PIT User Authentication Service is affected by multiple vulnerabilities in included third-party components.",
        "title": "Summary"
      },
      {
        "category": "description",
        "text": "The attacker can intercept the communication between the PITreader and the PIT User Authentication Service which can lead to disclosure of the PITreader API token. Furthermore the PIT User Authentication Service is vulnerable to a Denial of Service attack.",
        "title": "Impact"
      },
      {
        "category": "description",
        "text": "Please visit the Pilz website (https://www.pilz.com/en-INT/search) and install the new version \"Software PIT User Auth. Service 1.4.1\" on to your device.",
        "title": "Remediation"
      },
      {
        "category": "description",
        "text": "Limit network access to the PITreader and PIT User Authentication Service by using a firewall, a host-based firewall or similar measures. ",
        "title": "Mitigation"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "security@pilz.com",
      "name": "Pilz GmbH & Co. KG",
      "namespace": "https://www.pilz.com"
    },
    "references": [
      {
        "category": "external",
        "summary": "For further security-related issues in Pilz products please contact the Pilz Product Security Incident Response Team (PSIRT)",
        "url": "https://www.pilz.com/security"
      },
      {
        "category": "external",
        "summary": "CERT@VDE Security Advisories for Pilz GmbH & Co. KG",
        "url": "https://certvde.com/en/advisories/vendor/pilz/"
      },
      {
        "category": "self",
        "summary": "PPSA-2026-001: Pilz: Multiple Vulnerabilities affecting the PIT User Authentication Service - HTML",
        "url": "https://certvde.com/en/advisories/VDE-2026-006/"
      },
      {
        "category": "self",
        "summary": "PPSA-2026-001: Pilz: Multiple Vulnerabilities affecting the PIT User Authentication Service - CSAF",
        "url": "https://pilz.csaf-tp.certvde.com/.well-known/csaf/white/2026/ppsa-2026-001.json"
      }
    ],
    "title": "Pilz: Multiple Vulnerabilities affecting the PIT User Authentication Service",
    "tracking": {
      "aliases": [
        "VDE-2026-006",
        "PPSA-2026-001"
      ],
      "current_release_date": "2026-02-02T10:00:00.000Z",
      "generator": {
        "date": "2026-02-02T10:01:58.102Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.5.42"
        }
      },
      "id": "PPSA-2026-001",
      "initial_release_date": "2026-02-02T08:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-02-02T08:00:00.000Z",
          "number": "1.0.0",
          "summary": "Initial Version"
        },
        {
          "date": "2026-02-02T10:00:00.000Z",
          "number": "1.0.1",
          "summary": "Summary has been updated."
        }
      ],
      "status": "final",
      "version": "1.0.1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "branches": [
                  {
                    "category": "product_version_range",
                    "name": "vers:generic/<1.4.1",
                    "product": {
                      "name": "PIT User Authentication Service <1.4.1",
                      "product_id": "CSAFPID-51001"
                    }
                  },
                  {
                    "category": "product_version",
                    "name": "1.4.1",
                    "product": {
                      "name": "PIT User Authentication Service 1.4.1",
                      "product_id": "CSAFPID-52001",
                      "product_identification_helper": {
                        "cpe": "cpe:2.3:a:pilz:pit_user_authentication_service_software:1.4.1:*:*:*:*:*:*:*"
                      }
                    }
                  },
                  {
                    "category": "product_version",
                    "name": "1.4.0",
                    "product": {
                      "name": "PIT User Authentication Service 1.4.0",
                      "product_id": "CSAFPID-51002",
                      "product_identification_helper": {
                        "cpe": "cpe:2.3:a:pilz:pit_user_authentication_service_software:1.4.0:*:*:*:*:*:*:*"
                      }
                    }
                  }
                ],
                "category": "product_name",
                "name": "PIT User Authentication Service"
              }
            ],
            "category": "product_family",
            "name": "Software"
          }
        ],
        "category": "vendor",
        "name": "Pilz"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-12383",
      "cwe": {
        "id": "CWE-362",
        "name": "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"
      },
      "notes": [
        {
          "category": "description",
          "text": "In Eclipse Jersey versions 2.45, 3.0.16, 3.1.9 a race condition can cause ignoring of critical SSL configurations - such as mutual authentication, custom key/trust stores, and other security settings. This issue may result in SSLHandshakeException under normal circumstances, but under certain conditions, it could lead to unauthorized trust in insecure servers (see PoC)",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-52001"
        ],
        "known_affected": [
          "CSAFPID-51001",
          "CSAFPID-51002"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Limit network access to the PITreader and PIT User Authentication Service by using a firewall, a host-based firewall or similar measures.",
          "product_ids": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Please visit the Pilz website (https://www.pilz.com/en-INT/search) and install the new version 'Software PIT User Auth. Service 1.4.1' on to your device.",
          "product_ids": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "environmentalScore": 7.4,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "HIGH",
            "modifiedAttackComplexity": "HIGH",
            "modifiedAttackVector": "NETWORK",
            "modifiedAvailabilityImpact": "NONE",
            "modifiedConfidentialityImpact": "HIGH",
            "modifiedIntegrityImpact": "HIGH",
            "modifiedPrivilegesRequired": "NONE",
            "modifiedScope": "UNCHANGED",
            "modifiedUserInteraction": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.4,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        }
      ],
      "title": "Race Condition allows Bypass of Trust Restrictions"
    },
    {
      "cve": "CVE-2025-61795",
      "cwe": {
        "id": "CWE-404",
        "name": "Improper Resource Shutdown or Release"
      },
      "notes": [
        {
          "category": "description",
          "text": "Improper Resource Shutdown or Release vulnerability in Apache Tomcat.  If an error occurred (including exceeding limits) during the processing of a multipart upload, temporary copies of the uploaded parts written to disc were not cleaned up immediately but left for the garbage collection process to delete. Depending on JVM settings, application memory usage and application load, it was possible that space for the temporary copies of uploaded parts would be filled faster than GC cleared it, leading to a DoS.    This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.11, from 10.1.0-M1 through 10.1.46, from 9.0.0.M1 through 9.0.109.  The following versions were EOL at the time the CVE was created but are  known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.12 or later, 10.1.47 or later or 9.0.110 or later which fixes the issue.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-52001"
        ],
        "known_affected": [
          "CSAFPID-51001",
          "CSAFPID-51002"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Limit network access to the PITreader and PIT User Authentication Service by using a firewall, a host-based firewall or similar measures.",
          "product_ids": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Please visit the Pilz website (https://www.pilz.com/en-INT/search) and install the new version 'Software PIT User Auth. Service 1.4.1' on to your device.",
          "product_ids": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalScore": 5.3,
            "environmentalSeverity": "MEDIUM",
            "integrityImpact": "NONE",
            "modifiedAttackComplexity": "HIGH",
            "modifiedAttackVector": "NETWORK",
            "modifiedAvailabilityImpact": "HIGH",
            "modifiedConfidentialityImpact": "NONE",
            "modifiedIntegrityImpact": "NONE",
            "modifiedPrivilegesRequired": "LOW",
            "modifiedScope": "UNCHANGED",
            "modifiedUserInteraction": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "temporalScore": 5.3,
            "temporalSeverity": "MEDIUM",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        }
      ],
      "title": "Apache Tomcat: Delayed cleaning of multi-part upload temporary files may lead to DoS"
    },
    {
      "cve": "CVE-2025-48988",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "notes": [
        {
          "category": "description",
          "text": "Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.  This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. The following versions were EOL at the time the CVE was created but are  known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions  may also be affected.   Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-52001"
        ],
        "known_affected": [
          "CSAFPID-51001",
          "CSAFPID-51002"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Limit network access to the PITreader and PIT User Authentication Service by using a firewall, a host-based firewall or similar measures.",
          "product_ids": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Please visit the Pilz website (https://www.pilz.com/en-INT/search) and install the new version 'Software PIT User Auth. Service 1.4.1' on to your device.",
          "product_ids": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalScore": 7.5,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "NONE",
            "modifiedAttackComplexity": "LOW",
            "modifiedAttackVector": "NETWORK",
            "modifiedAvailabilityImpact": "HIGH",
            "modifiedConfidentialityImpact": "NONE",
            "modifiedIntegrityImpact": "NONE",
            "modifiedPrivilegesRequired": "NONE",
            "modifiedScope": "UNCHANGED",
            "modifiedUserInteraction": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        }
      ],
      "title": "Apache Tomcat: FileUpload large number of parts with headers DoS"
    },
    {
      "cve": "CVE-2025-31650",
      "cwe": {
        "id": "CWE-459",
        "name": "Incomplete Cleanup"
      },
      "notes": [
        {
          "category": "description",
          "text": "Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial of service.  This issue affects Apache Tomcat: from 9.0.76 through 9.0.102, from 10.1.10 through 10.1.39, from 11.0.0-M2 through 11.0.5. The following versions were EOL at the time the CVE was created but are  known to be affected: 8.5.90 though 8.5.100.   Users are recommended to upgrade to version 9.0.104, 10.1.40 or 11.0.6 which fix the issue.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-52001"
        ],
        "known_affected": [
          "CSAFPID-51001",
          "CSAFPID-51002"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Limit network access to the PITreader and PIT User Authentication Service by using a firewall, a host-based firewall or similar measures.",
          "product_ids": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Please visit the Pilz website (https://www.pilz.com/en-INT/search) and install the new version 'Software PIT User Auth. Service 1.4.1' on to your device.",
          "product_ids": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "environmentalScore": 7.5,
            "environmentalSeverity": "HIGH",
            "integrityImpact": "NONE",
            "modifiedAttackComplexity": "LOW",
            "modifiedAttackVector": "NETWORK",
            "modifiedAvailabilityImpact": "HIGH",
            "modifiedConfidentialityImpact": "NONE",
            "modifiedIntegrityImpact": "NONE",
            "modifiedPrivilegesRequired": "NONE",
            "modifiedScope": "UNCHANGED",
            "modifiedUserInteraction": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 7.5,
            "temporalSeverity": "HIGH",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-51001",
            "CSAFPID-51002"
          ]
        }
      ],
      "title": "Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame"
    }
  ]
}