Security advisory

{
  "id": "828435017f8c9dad0a80c8580006073b41f876425353d09c81df44aafd533844",
  "url": "https://osv.dev/vulnerability/CVE-2024-27187",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-27187",
    "summary": "Improper Access Controls allows backend users to overwrite their username when disallowed.",
    "evidence": "osv:CVE-2024-27187",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-27187",
      "aliases": [
        "BIT-joomla-2024-27187",
        "CVE-2024-27187"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/joomla/joomla-cms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5f20de27b9640124ba185670a36ec40ebc9ec3f9"
                },
                {
                  "fixed": "bbfe0e059692d84e694987b5a97bededc7409dde"
                },
                {
                  "introduced": "0e23b165e580270f5b53f9dc0c5fd17011f4bf87"
                },
                {
                  "fixed": "458d846681bd92a64e0e7a2b3a39159c8e751c0d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0"
                      },
                      {
                        "fixed": "4.4.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.0.0"
                      },
                      {
                        "fixed": "5.1.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-27187.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:20.983132876Z",
      "provider": "osv",
      "references": [
        "https://developer.joomla.org/security-centre/945-20240804-core-improper-acl-for-backend-profile-view.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2024-27187",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430396,
  "published_at": "2024-08-20T16:15:10.983+00:00"
}