Security advisory

{
  "id": "e8d443e5221490fae99a204d4975d250e53f4119410e49899147ed35bddf57b2",
  "url": "https://osv.dev/vulnerability/CVE-2020-7041",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-7041",
    "summary": "An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because an X509_check_host negative error code is interpreted as a successful return value.",
    "evidence": "osv:CVE-2020-7041",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-7041",
      "aliases": [
        "CVE-2020-7041"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/adrienverge/openfortivpn",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4"
                },
                {
                  "fixed": "60660e00b80bad0fadcf39aee86f6f8756c94f91"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openfortivpn_project:openfortivpn:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.12.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "60660e00b80bad0fadcf39aee86f6f8756c94f91"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.11.0",
            "v1.10.0",
            "v1.9.0",
            "v1.8.1",
            "v1.8.0",
            "v1.7.1",
            "v1.7.0",
            "v1.6.0",
            "v1.5.0",
            "v1.4.0",
            "v1.3.1",
            "v1.3.0",
            "v1.2.0",
            "v1.1.4",
            "v1.1.3",
            "v1.1.2",
            "v1.1.1",
            "v1.1.0",
            "v1.0.1",
            "v1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-7041.json",
            "vanir_signatures": [
              {
                "id": "CVE-2020-7041-6498aa4a",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "291243649204369111040426769665335560463",
                    "47288886222928506793920805114664200831",
                    "153992118258425434423935772526541605732",
                    "37829039087882916392867691797325534195"
                  ]
                },
                "source": "https://github.com/adrienverge/openfortivpn/commit/60660e00b80bad0fadcf39aee86f6f8756c94f91",
                "target": {
                  "file": "src/tunnel.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2020-7041-97438fbb",
                "digest": {
                  "length": 2381,
                  "function_hash": "162382222799021665376847828159443033783"
                },
                "source": "https://github.com/adrienverge/openfortivpn/commit/60660e00b80bad0fadcf39aee86f6f8756c94f91",
                "target": {
                  "file": "src/tunnel.c",
                  "function": "ssl_verify_cert"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T14:05:20Z"
          }
        }
      ],
      "modified": "2026-10-20T14:05:20.642881819Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/",
        "https://github.com/adrienverge/openfortivpn/issues/536",
        "https://github.com/adrienverge/openfortivpn/commit/60660e00b80bad0fadcf39aee86f6f8756c94f91",
        "https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "30"
                  },
                  {
                    "last_affected": "30"
                  },
                  {
                    "introduced": "31"
                  },
                  {
                    "last_affected": "31"
                  },
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:backports_sle",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "15.0-sp1"
                  },
                  {
                    "last_affected": "15.0-sp1"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
            ],
            "vendor_product": "opensuse:leap",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "15.1"
                  },
                  {
                    "last_affected": "15.1"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-7041",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388561,
  "published_at": "2020-02-27T18:15:11.483+00:00"
}