Security advisory

{
  "id": "6f7fd156190e11a3398d511edca9cdaf35ef58bb2bca8410de288a7e226ea563",
  "url": "https://osv.dev/vulnerability/CVE-2021-21637",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-21637",
    "summary": "A missing permission check in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.",
    "evidence": "osv:CVE-2021-21637",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-21637",
      "aliases": [
        "CVE-2021-21637",
        "GHSA-6364-jx4h-7564"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jenkinsci/tfs-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "0ebfc2acee98227d4938fd2fc4764ac4a840e12c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jenkins:team_foundation_server:*:*:*:*:*:jenkins:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "5.157.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "tfs-5.157.1",
            "tfs-5.157.0",
            "tfs-5.142.0",
            "tfs-5.139.2",
            "tfs-5.133.0",
            "tfs-5.126.0",
            "tfs-5.121.0",
            "tfs-5.3.4",
            "tfs-5.3.2",
            "tfs-5.3.3",
            "tfs-5.3.1",
            "tfs-5.3.0",
            "tfs-5.2.1",
            "tfs-5.2.0",
            "tfs-5.1.0",
            "tfs-5.0.0",
            "tfs-4.1.0",
            "tfs-4.0.0",
            "tfs-3.2.0",
            "tfs-3.1.1",
            "tfs-3.0.1",
            "tfs-3.0.0",
            "tfs-2.0",
            "tfs-1.20",
            "tfs-1.19",
            "tfs-1.18",
            "tfs-1.17",
            "tfs-1.16",
            "tfs-1.15",
            "tfs-1.14",
            "tfs-1.13",
            "tfs-1.12"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21637.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:21.326885039Z",
      "provider": "osv",
      "references": [
        "https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20%282%29"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-21637",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430452,
  "published_at": "2021-03-30T12:16:10.907+00:00"
}