{"id":"CVE-2023-37267","summary":"Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions","details":"Umbraco is a ASP.NET CMS. Under rare conditions a restart of Umbraco can allow unauthorized users access to admin-level permissions. This vulnerability was patched in versions 10.6.1, 11.4.2 and 12.0.1.","aliases":["GHSA-h8wc-r4jh-mg7m"],"modified":"2026-08-12T03:51:42.622652281Z","published":"2023-07-13T13:43:59.383Z","database_specific":{"cwe_ids":["CWE-284"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37267.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/37xxx/CVE-2023-37267.json"},{"type":"ADVISORY","url":"https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-h8wc-r4jh-mg7m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-37267"},{"type":"FIX","url":"https://github.com/umbraco/Umbraco-CMS/commit/1f26f2c6f3428833892cde5c6d8441fb041e410e"},{"type":"FIX","url":"https://github.com/umbraco/Umbraco-CMS/commit/20a4e475c8d7b91d263e4e103ef19f3644e7b569"},{"type":"FIX","url":"https://github.com/umbraco/Umbraco-CMS/commit/82eae48d098b9deecbdf86cf288b2b18020e1fed"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/umbraco/umbraco-cms","events":[{"introduced":"e3f4b86f1c28e0ec30a1ad2a079e308af4cbfbf7"},{"fixed":"82eae48d098b9deecbdf86cf288b2b18020e1fed"},{"introduced":"d713b383c97ced18ecc53651952484735a011c29"},{"fixed":"1f26f2c6f3428833892cde5c6d8441fb041e410e"},{"introduced":"ba724ed97d77b9951a22fe693f9dd3bdd000047c"},{"fixed":"20a4e475c8d7b91d263e4e103ef19f3644e7b569"}],"database_specific":{"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"10.0.0"},{"fixed":"10.6.1"},{"introduced":"11.0.0"},{"fixed":"11.4.2"},{"introduced":"12.0.0"},{"fixed":"12.0.1"}]}}],"versions":["= 12.0.0","release-12.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-37267.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}