Security advisory

{
  "id": "0a8c5fdc0d7c1423474d2bc943ff68628061f9989ccda4e0e3dc916891bc0070",
  "url": "https://osv.dev/vulnerability/CVE-2021-21661",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-21661",
    "summary": "Jenkins Kubernetes CLI Plugin 1.10.0 and earlier does not perform permission checks in several HTTP endpoints, allowing attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.",
    "evidence": "osv:CVE-2021-21661",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-21661",
      "aliases": [
        "CVE-2021-21661",
        "GHSA-xrg9-wwrq-xmx9"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jenkinsci/kubernetes-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "fc601e4716da7fcb7adbe1ee35e5d20d8b23520a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jenkins:kubernetes:*:*:*:*:*:jenkins:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.10.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "kubernetes-1.10.0",
            "kubernetes-1.9.3",
            "kubernetes-1.9.2",
            "kubernetes-1.9.1",
            "kubernetes-1.9.0",
            "kubernetes-1.8.4",
            "kubernetes-1.8.3",
            "kubernetes-1.8.2",
            "kubernetes-1.8.1",
            "kubernetes-1.8.0",
            "kubernetes-1.7.1",
            "kubernetes-1.7.0",
            "kubernetes-1.6.4",
            "kubernetes-1.6.3",
            "kubernetes-1.6.2",
            "kubernetes-1.6.1",
            "kubernetes-1.6.0",
            "kubernetes-1.5.2",
            "kubernetes-1.5.1",
            "kubernetes-1.5",
            "kubernetes-1.4.1",
            "kubernetes-1.4",
            "kubernetes-1.3.3",
            "kubernetes-1.3.2",
            "kubernetes-1.3.1",
            "kubernetes-1.3",
            "kubernetes-1.2.1",
            "kubernetes-1.2",
            "kubernetes-1.1.3",
            "kubernetes-1.1.2",
            "kubernetes-1.1",
            "kubernetes-1.0",
            "kubernetes-0.12",
            "kubernetes-0.11",
            "kubernetes-0.10",
            "kubernetes-0.9",
            "kubernetes-0.8",
            "kubernetes-0.7",
            "kubernetes-0.6",
            "kubernetes-0.5",
            "kubernetes-0.4.1",
            "kubernetes-0.4",
            "kubernetes-0.3",
            "kubernetes-0.2",
            "kubernetes-0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21661.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:17.598943946Z",
      "provider": "osv",
      "references": [
        "https://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-2370"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-21661",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429597,
  "published_at": "2021-06-10T15:15:08.693+00:00"
}