Security advisory

{
  "id": "ba5b24eb2e80a9fc39f7301d2851ad6c1aaedd6728b2c42cd45183a1d2c69a7d",
  "url": "https://osv.dev/vulnerability/CVE-2020-35509",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-35509",
    "summary": "A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.",
    "evidence": "osv:CVE-2020-35509",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-35509",
      "aliases": [
        "CVE-2020-35509",
        "GHSA-rpj2-w6fr-79hc"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/keycloak/keycloak",
              "type": "GIT",
              "events": [
                {
                  "introduced": "da186af13d137f6ba7604b685cc8d0df3382494d"
                },
                {
                  "last_affected": "2690229863ddbcdfa2c75e00a7a9858e2e03c6c9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:redhat:keycloak:11.0.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "11.0.3"
                      },
                      {
                        "last_affected": "11.0.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:redhat:keycloak:12.0.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "12.0.0"
                      },
                      {
                        "last_affected": "12.0.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "11.0.3",
            "12.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35509.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:28.296669578Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/security/cve/cve-2020-35509"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-35509",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432019,
  "published_at": "2022-08-23T16:15:08.95+00:00"
}