Security advisory

{
  "id": "87f125323f1d4f44d77dfd10d7291012bbfa6bc076cc41b2436d7a09d3079db6",
  "url": "https://osv.dev/vulnerability/CVE-2021-38562",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-38562",
    "summary": "Best Practical Request Tracker (RT) 4.2 before 4.2.17, 4.4 before 4.4.5, and 5.0 before 5.0.2 allows sensitive information disclosure via a timing attack against lib/RT/REST2/Middleware/Auth.pm.",
    "evidence": "osv:CVE-2021-38562",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-38562",
      "aliases": [
        "CVE-2021-38562"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bestpractical/rt",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8130561b24bc13ef2588cbcebfdecbdc305eefbb"
                },
                {
                  "fixed": "1fd0c7614d6a204878f01f7c9b3578812df2faae"
                },
                {
                  "introduced": "7197d3dade64d6ef63a329fe0e4e24bd05ca9cd9"
                },
                {
                  "fixed": "edbeab18ff2a584d3da1bbcd58d4d0c3d180e25b"
                },
                {
                  "introduced": "b88a9bf29c440aa6a71fd91c48b4016ec7ab92f3"
                },
                {
                  "fixed": "185e82bc4d92ad7d6d5cc7ea4a949d9ad656c85e"
                },
                {
                  "fixed": "70749bb66cb13dd70bd53340c371038a5f3ca57c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bestpractical:request_tracker:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2.0"
                      },
                      {
                        "fixed": "4.2.17"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:bestpractical:request_tracker:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.4.0"
                      },
                      {
                        "fixed": "4.4.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:bestpractical:request_tracker:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.0.0"
                      },
                      {
                        "fixed": "5.0.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "70749bb66cb13dd70bd53340c371038a5f3ca57c"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38562.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:51.951807922Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2JK57CEEXLQF7MGBCUX76DZHXML7LUSQ/",
        "https://docs.bestpractical.com/release-notes/rt/index.html",
        "https://lists.debian.org/debian-lts-announce/2022/06/msg00019.html",
        "https://github.com/bestpractical/rt/commit/70749bb66cb13dd70bd53340c371038a5f3ca57c"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "35"
                  },
                  {
                    "last_affected": "35"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-38562",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386301,
  "published_at": "2021-10-18T09:15:08.767+00:00"
}