Security advisory

{
  "id": "7fede738594b4a9477a039fc155469e3130c7dd3b93a547dd65eda5457d61418",
  "url": "https://osv.dev/vulnerability/CVE-2021-21659",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-21659",
    "summary": "Jenkins URLTrigger Plugin 0.48 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.",
    "evidence": "osv:CVE-2021-21659",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-21659",
      "aliases": [
        "CVE-2021-21659",
        "GHSA-34j5-c4cv-mmg5"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jenkinsci/urltrigger-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "3fad8b645d4a9bf23b8223f31bf061615a989aff"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jenkins:urltrigger:*:*:*:*:*:jenkins:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.48"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "urltrigger-0.48",
            "urltrigger-0.47",
            "urltrigger-0.46",
            "urltrigger-0.45",
            "urltrigger-0.44",
            "urltrigger-0.43",
            "urltrigger-0.41",
            "urltrigger-0.40",
            "urltrigger-0.39",
            "urltrigger-0.38",
            "urltrigger-0.37",
            "urltrigger-0.36",
            "urltrigger-0.35",
            "urltrigger-0.34",
            "urltrigger-0.33",
            "urltrigger-0.32",
            "urltrigger-0.31",
            "urltrigger-0.30",
            "urltrigger-0.29",
            "urltrigger-0.28",
            "urltrigger-0.27",
            "urltrigger-0.26",
            "urltrigger-0.25",
            "urltrigger-0.24",
            "urltrigger-0.23",
            "urltrigger-0.22",
            "urltrigger-0.21",
            "urltrigger-0.20",
            "urltrigger-0.19",
            "urltrigger-0.18",
            "urltrigger-0.17",
            "urltrigger-0.16",
            "urltrigger-0.15",
            "urltrigger-0.14",
            "urltrigger-0.13",
            "urltrigger-0.12",
            "urltrigger-0.11",
            "urltrigger-0.10",
            "urltrigger-0.9",
            "urltrigger-0.8",
            "urltrigger-0.7",
            "urltrigger-0.6",
            "urltrigger-0.5.1",
            "urltrigger-0.5",
            "urltrigger-0.4.3",
            "urltrigger-0.4.2",
            "urltrigger-0.4.1",
            "urltrigger-0.4",
            "urltrigger-0.3",
            "urltrigger-0.2",
            "urltrigger-0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21659.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:23.489761299Z",
      "provider": "osv",
      "references": [
        "https://www.jenkins.io/security/advisory/2021-05-25/#SECURITY-2341"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-21659",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430928,
  "published_at": "2021-05-25T17:15:08.11+00:00"
}