Security advisory

{
  "id": "3eff4956cfac0cd7a17c62829da11dfe39a994b28de5ed92b44e684c487d7fb8",
  "url": "https://osv.dev/vulnerability/CVE-2021-21656",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-21656",
    "summary": "Jenkins Xcode integration Plugin 2.0.14 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.",
    "evidence": "osv:CVE-2021-21656",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-21656",
      "aliases": [
        "CVE-2021-21656",
        "GHSA-wfxp-4qgw-qp3c"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jenkinsci/xcode-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "37f1b15435da4c2b9274c68b9a394965968014d2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jenkins:xcode_integration:*:*:*:*:*:jenkins:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.0.14"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "xcode-plugin-2.0.14",
            "xcode-plugin-2.0.13",
            "xcode-plugin-2.0.12",
            "xcode-plugin-2.0.11",
            "xcode-plugin-2.0.10",
            "xcode-plugin-2.0.9",
            "xcode-plugin-2.0.8",
            "xcode-plugin-2.0.7",
            "xcode-plugin-2.0.7-alpha",
            "xcode-plugin-2.0.6",
            "xcode-plugin-2.0.5",
            "xcode-plugin-2.0.4",
            "xcode-plugin-2.0.3",
            "xcode-plugin-2.0.2",
            "xcode-plugin-2.0.1",
            "xcode-plugin-2.0.0",
            "xcode-plugin-1.4.11",
            "xcode-plugin-1.4.10",
            "xcode-plugin-1.4.9",
            "xcode-plugin-1.4.8",
            "xcode-plugin-1.4.7",
            "xcode-plugin-1.4.6",
            "xcode-plugin-1.4.5",
            "xcode-plugin-1.4.4",
            "xcode-plugin-1.4.3",
            "xcode-plugin-1.4.2",
            "xcode-plugin-1.4.1",
            "xcode-plugin-1.4",
            "xcode-plugin-1.3.3",
            "xcode-plugin-1.3.2",
            "xcode-plugin-1.3.1",
            "xcode-plugin-1.3",
            "xcode-plugin-1.2.2",
            "xcode-plugin-1.2.1",
            "xcode-plugin-1.2",
            "1.1",
            "1.0.1",
            "1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21656.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:31.449699178Z",
      "provider": "osv",
      "references": [
        "https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2335"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-21656",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432807,
  "published_at": "2021-05-11T15:15:08.183+00:00"
}