{"id":"CVE-2024-28868","aliases":["EUVD-2024-0821","GHSA-552f-97wf-pmpq"],"status":"published","title":"Umbraco possible user enumeration vulnerability","description":"Umbraco is an ASP.NET content management system. Umbraco 10 prior to 10.8.4 with access to the native login screen is vulnerable to a possible user enumeration attack. This issue was fixed in version 10.8.5. As a workaround, one may disable the native login screen by exclusively using external logins.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00452,"percentile":0.39554,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-203","CWE-204"],"published":"2024-03-20T17:54:35Z","modified":"2026-10-28T02:30:36Z","fixes":[{"ecosystem":"NuGet","package":"UmbracoCMS","fixed_in":["10.8.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"UmbracoCMS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.0.0"},{"fixed":"10.8.5"}]}]},{"source":"osv","ecosystem":"NuGet","package":"UmbracoCMS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.0.0"},{"fixed":"10.8.5"}]}]}],"products":[{"vendor":"umbraco","product":"umbraco-cms"},{"vendor":"umbraco","product":"umbraco_cms"}],"references":[{"url":"https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-552f-97wf-pmpq","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/umbraco/Umbraco-CMS/commit/7e1d1a1968000226cd882fff078b122b8d46c44d","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-28868","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-552f-97wf-pmpq"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/28xxx/CVE-2024-28868.json","tags":["advisory"]},{"url":"https://github.com/umbraco/Umbraco-CMS","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-28868","title":"Umbraco possible user enumeration vulnerability","description":"Umbraco is an ASP.NET content management system. Umbraco 10 prior to 10.8.4 with access to the native login screen is vulnerable to a possible user enumeration attack. This issue was fixed in version 10.8.5. As a workaround, one may disable the native login screen by exclusively using external logins.","status":"published","published":"2024-03-20T20:07:42.364Z","modified":"2024-08-02T00:56:58.154Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:34:18.597034Z"}],"euvd":[{"id":"EUVD-2024-0821","description":"Umbraco is an ASP.NET content management system. Umbraco 10 prior to 10.8.4 with access to the native login screen is vulnerable to a possible user enumeration attack. This issue was fixed in version 10.8.5. As a workaround, one may disable the native login screen by exclusively using external logins.","status":"published","published":"2024-03-20T20:07:42Z","modified":"2024-08-02T00:56:58Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T03:50:26.166982Z"}],"ghsa":[{"id":"GHSA-552f-97wf-pmpq","title":"Umbraco possible user enumeration ","description":"### Impact\nA user enumeration attack is possible.\n\n### Affected versions\nUmbraco 10 with access to the native login screen\n\n### Patches\nThis is fixed in 10.8.5\n\n\n### Workarounds\nDisabling the native login screen, by exclusively use external logins.","status":"published","published":"2024-03-20T17:54:35Z","modified":"2025-02-12T18:19:45Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-203","CWE-204"],"updated_at":"2026-11-02T14:38:30.754382Z"}],"nvd":[{"id":"CVE-2024-28868","description":"Umbraco is an ASP.NET content management system. Umbraco 10 prior to 10.8.4 with access to the native login screen is vulnerable to a possible user enumeration attack. This issue was fixed in version 10.8.5. As a workaround, one may disable the native login screen by exclusively using external logins.","status":"published","published":"2024-03-20T20:15:09.11Z","modified":"2026-06-17T07:21:56.417Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-204","CWE-203"],"updated_at":"2026-11-02T14:09:41.654534Z"}],"osv":[{"id":"CVE-2024-28868","title":"Umbraco possible user enumeration vulnerability","description":"Umbraco is an ASP.NET content management system. Umbraco 10 prior to 10.8.4 with access to the native login screen is vulnerable to a possible user enumeration attack. This issue was fixed in version 10.8.5. As a workaround, one may disable the native login screen by exclusively using external logins.","status":"published","published":"2024-03-20T20:07:42.364Z","modified":"2026-10-28T02:30:36.787433766Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T15:44:40.06138Z"},{"id":"GHSA-552f-97wf-pmpq","title":"Umbraco possible user enumeration ","description":"### Impact\nA user enumeration attack is possible.\n\n### Affected versions\nUmbraco 10 with access to the native login screen\n\n### Patches\nThis is fixed in 10.8.5\n\n\n### Workarounds\nDisabling the native login screen, by exclusively use external logins.","status":"published","published":"2024-03-20T17:54:35Z","modified":"2026-09-10T03:50:11.034324209Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-203","CWE-204"],"updated_at":"2026-11-02T15:46:37.864461Z"}]}}