Security advisory

{
  "id": "5721035a54e37618203685353a840f1b537ae64ae576ed275c3f468201040de7",
  "url": "https://osv.dev/vulnerability/CVE-2021-21657",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-21657",
    "summary": "Jenkins Filesystem Trigger Plugin 0.40 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.",
    "evidence": "osv:CVE-2021-21657",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-21657",
      "aliases": [
        "CVE-2021-21657",
        "GHSA-cphv-7cxw-5hcc"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jenkinsci/fstrigger-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "f8fd3e9380542ea6bef03ef5c5828c38cca967a8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jenkins:filesystem_trigger:*:*:*:*:*:jenkins:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.40"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "fstrigger-0.40",
            "fstrigger-0.39",
            "fstrigger-0.38",
            "fstrigger-0.37",
            "fstrigger-0.36",
            "fstrigger-0.35",
            "fstrigger-0.34",
            "fstrigger-0.33",
            "fstrigger-0.32",
            "fstrigger-0.31",
            "fstrigger-0.30",
            "fstrigger-0.29",
            "fstrigger-0.28",
            "fstrigger-0.27",
            "fstrigger-0.26",
            "fstrigger-0.25",
            "fstrigger-0.24",
            "fstrigger-0.22",
            "fstrigger-0.21",
            "fstrigger-0.20",
            "fstrigger-0.19",
            "fstrigger-0.18",
            "fstrigger-0.17",
            "fstrigger-0.16",
            "fstrigger-0.15",
            "help",
            "fstrigger-0.14",
            "fstrigger-0.13",
            "fstrigger-0.12",
            "fstrigger-0.11",
            "fstrigger-0.10.1",
            "fstrigger-0.10",
            "fstrigger-0.9",
            "fstrigger-0.8",
            "fstrigger-0.7"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21657.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:22.810312812Z",
      "provider": "osv",
      "references": [
        "https://www.jenkins.io/security/advisory/2021-05-25/#SECURITY-2339"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-21657",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430763,
  "published_at": "2021-05-25T17:15:08.037+00:00"
}