Security advisory

{
  "id": "91f95ec2ebfcb834254bd78184cca396041075c21e363a726ab1517620ec1e21",
  "url": "https://osv.dev/vulnerability/CVE-2021-21677",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-21677",
    "summary": "Jenkins Code Coverage API Plugin 1.4.0 and earlier does not apply Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk, resulting in a remote code execution vulnerability.",
    "evidence": "osv:CVE-2021-21677",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-21677",
      "aliases": [
        "CVE-2021-21677",
        "GHSA-58pr-hprx-7hg6"
      ],
      "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/code-coverage-api-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "e64303fe11b984e8f661c2ca7fe503173efdb981"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jenkins:code_coverage_api:*:*:*:*:*:jenkins:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "code-coverage-api-1.4.0",
            "code-coverage-api-1.3.2",
            "code-coverage-api-1.3.1",
            "code-coverage-api-1.2.1",
            "code-coverage-api-1.1.1",
            "code-coverage-api-1.1.0",
            "code-coverage-api-1.0.13",
            "code-coverage-api-1.0.12",
            "code-coverage-api-1.0.11",
            "code-coverage-api-1.0.10",
            "code-coverage-api-1.0.9",
            "code-coverage-api-1.0.8",
            "code-coverage-api-1.0.7",
            "code-coverage-api-1.0.6",
            "code-coverage-api-1.0.4",
            "code-coverage-api-1.0.2",
            "code-coverage-api-1.0.1",
            "code-coverage-api-1.0.0",
            "code-coverage-api-1.0.0-rc-1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21677.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:18.295672918Z",
      "provider": "osv",
      "references": [
        "https://www.jenkins.io/security/advisory/2021-08-31/#SECURITY-2376"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-21677",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429742,
  "published_at": "2021-08-31T14:15:25.447+00:00"
}