{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/debian11els/vex/2020/cve-2020-27569-els_os-debian11els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-10-15T17:58:27Z",
      "generator": {
        "date": "2026-10-15T17:58:27Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2020-27569-ELS_OS-DEBIAN11ELS",
      "initial_release_date": "2020-01-01T00:00:00Z",
      "revision_history": [
        {
          "date": "2020-01-01T00:00:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-09-07T13:05:57Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-09-17T12:45:05Z",
          "number": "3",
          "summary": "Update document"
        },
        {
          "date": "2026-10-15T17:58:27Z",
          "number": "4",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "4"
    },
    "title": "Security update on CVE-2020-27569"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Debian 11",
                "product": {
                  "name": "Debian 11",
                  "product_id": "Debian-11",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:debian:debian_linux:11:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Debian"
          }
        ],
        "category": "vendor",
        "name": "Software in the Public Interest, Inc."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
                "product": {
                  "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
                  "product_id": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openvpn@2.5.1-3%2Bdeb11u4%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.amd64",
                "product": {
                  "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.amd64",
                  "product_id": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openvpn@2.5.1-3%2Bdeb11u4%2Btuxcare.els2?arch=amd64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
                "product": {
                  "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
                  "product_id": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openvpn@2.5.1-3%2Bdeb11u4%2Btuxcare.els1?arch=arm64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.arm64",
                "product": {
                  "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.arm64",
                  "product_id": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.arm64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openvpn@2.5.1-3%2Bdeb11u4%2Btuxcare.els2?arch=arm64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "arm64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel",
                "product": {
                  "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel",
                  "product_id": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openvpn@2.5.1-3%2Bdeb11u4%2Btuxcare.els1?arch=armel"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.armel",
                "product": {
                  "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.armel",
                  "product_id": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.armel",
                  "product_identification_helper": {
                    "purl": "pkg:deb/tuxcare/openvpn@2.5.1-3%2Bdeb11u4%2Btuxcare.els2?arch=armel"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "armel"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64 as a component of Debian 11",
          "product_id": "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64"
        },
        "product_reference": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Debian-11"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64 as a component of Debian 11",
          "product_id": "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64"
        },
        "product_reference": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
        "relates_to_product_reference": "Debian-11"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel as a component of Debian 11",
          "product_id": "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel"
        },
        "product_reference": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel",
        "relates_to_product_reference": "Debian-11"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.arm64 as a component of Debian 11",
          "product_id": "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.arm64"
        },
        "product_reference": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.arm64",
        "relates_to_product_reference": "Debian-11"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.armel as a component of Debian 11",
          "product_id": "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.armel"
        },
        "product_reference": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.armel",
        "relates_to_product_reference": "Debian-11"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.amd64 as a component of Debian 11",
          "product_id": "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.amd64"
        },
        "product_reference": "openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.amd64",
        "relates_to_product_reference": "Debian-11"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-27569",
      "cwe": {
        "id": "CWE-276",
        "name": "Incorrect Default Permissions"
      },
      "notes": [
        {
          "category": "description",
          "text": "Arbitrary File Write exists in Aviatrix VPN Client 2.8.2 and earlier. The VPN service writes logs to a location that is world writable and can be leveraged to gain write access to any file on the system.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
          "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
          "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel",
          "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.amd64",
          "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.arm64",
          "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.armel"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2020-27569"
        },
        {
          "category": "external",
          "summary": "https://docs.aviatrix.com/HowTos/security_bulletin_article.html#openvpn-abitrary-file-write",
          "url": "https://docs.aviatrix.com/HowTos/security_bulletin_article.html#openvpn-abitrary-file-write"
        }
      ],
      "release_date": "2021-04-21T22:15:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-10-15T17:40:36.695325Z",
          "details": "CVE-2020-27569 affects the Aviatrix VPN Client, which is not part of the openvpn package for Debian 11 ELS; the package does not contain the vulnerable code.",
          "product_ids": [
            "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.amd64",
            "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.arm64",
            "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els1.armel",
            "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.amd64",
            "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.arm64",
            "Debian-11:openvpn-0:2.5.1-3+deb11u4+tuxcare.els2.armel"
          ]
        }
      ]
    }
  ]
}