{"id":"CVE-2024-34071","aliases":["EUVD-2024-1661","GHSA-j74q-mv2c-rxmp"],"status":"published","title":"Open Redirect Bypass Protection","description":"Umbraco is an ASP.NET CMS used by more than 730.000 websites. Umbraco has an endpoint that is vulnerable to open redirects. The endpoint is protected so it requires the user to be signed into backoffice before the vulnerable is exposed. This vulnerability has been patched in version(s) 8.18.14, 10.8.6, 12.3.10 and 13.3.1.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00375,"percentile":0.3172,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601"],"published":"2024-05-21T13:31:31Z","modified":"2026-10-28T02:30:22Z","fixes":[{"ecosystem":"NuGet","package":"UmbracoCms.Core","fixed_in":["8.18.14","10.8.6","12.3.10","13.3.1"],"sources":["ghsa","osv"]},{"ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","fixed_in":["8.18.14","10.8.6","12.3.10","13.3.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"UmbracoCms.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.18.5"},{"fixed":"8.18.14"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"UmbracoCms.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.5.0"},{"fixed":"10.8.6"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"UmbracoCms.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.3.10"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"UmbracoCms.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.3.1"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.18.5"},{"fixed":"8.18.14"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.5.0"},{"fixed":"10.8.6"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.3.10"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.3.1"}]}]},{"source":"osv","ecosystem":"NuGet","package":"UmbracoCms.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.18.5"},{"fixed":"8.18.14"}]}],"versions":["8.18.10","8.18.11","8.18.12","8.18.13","8.18.5","8.18.6","8.18.7","8.18.8","8.18.9"]},{"source":"osv","ecosystem":"NuGet","package":"UmbracoCms.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.5.0"},{"fixed":"10.8.6"}]}]},{"source":"osv","ecosystem":"NuGet","package":"UmbracoCms.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.3.10"}]}]},{"source":"osv","ecosystem":"NuGet","package":"UmbracoCms.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.3.1"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.18.5"},{"fixed":"8.18.14"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.5.0"},{"fixed":"10.8.6"}]}],"versions":["10.5.0","10.5.1","10.6.0","10.6.0-rc","10.6.1","10.7.0","10.7.0-rc","10.8.0","10.8.0-rc","10.8.1","10.8.2","10.8.3","10.8.4","10.8.5"]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.3.10"}]}],"versions":["12.0.0","12.0.1","12.1.0","12.1.0-rc","12.1.1","12.1.2","12.2.0","12.2.0-rc","12.3.0","12.3.0-rc","12.3.1","12.3.2","12.3.3","12.3.4","12.3.5","12.3.6","12.3.7","12.3.8","12.3.9"]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.3.1"}]}],"versions":["13.0.0","13.0.1","13.0.2","13.0.3","13.1.0","13.1.0-rc","13.1.1","13.2.0","13.2.0-rc","13.2.1","13.2.2","13.3.0","13.3.0-rc"]}],"products":[{"vendor":"umbraco","product":"umbraco-cms"},{"vendor":"umbraco","product":"umbraco_cms"}],"references":[{"url":"https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-j74q-mv2c-rxmp","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/umbraco/Umbraco-CMS/commit/5f24de308584b9771240a6db1a34630a5114c450","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/umbraco/Umbraco-CMS/commit/c17d4e1a600098ec524e4126f4395255476bc33f","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/umbraco/Umbraco-CMS/commit/c8f71af646171074c13e5c34f74312def4512031","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/umbraco/Umbraco-CMS/commit/d8df405db4ea884bb4b96f088d10d9a2070cf024","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-34071","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-j74q-mv2c-rxmp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34071.json","tags":["advisory"]},{"url":"https://github.com/umbraco/Umbraco-CMS","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-34071","title":"Open Redirect Bypass Protection  ","description":"Umbraco is an ASP.NET CMS used by more than 730.000 websites. Umbraco has an endpoint that is vulnerable to open redirects. The endpoint is protected so it requires the user to be signed into backoffice before the vulnerable is exposed. This vulnerability has been patched in version(s) 8.18.14, 10.8.6, 12.3.10 and 13.3.1.","status":"published","published":"2024-05-21T13:31:31.618Z","modified":"2024-08-02T02:42:59.968Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:34:23.193864Z"}],"euvd":[{"id":"EUVD-2024-1661","description":"Umbraco is an ASP.NET CMS used by more than 730.000 websites. Umbraco has an endpoint that is vulnerable to open redirects. The endpoint is protected so it requires the user to be signed into backoffice before the vulnerable is exposed. This vulnerability has been patched in version(s) 8.18.14, 10.8.6, 12.3.10 and 13.3.1.","status":"published","published":"2024-05-21T13:31:31Z","modified":"2024-08-02T02:42:59Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:50:21.908049Z"}],"ghsa":[{"id":"GHSA-j74q-mv2c-rxmp","title":"Umbraco CMS Open Redirect Bypass Protection  ","description":"### Impact\nUmbraco have an endpoint that is vulnerable to open redirects. The endpoint is protected so it requires the user to be signed into backoffice, before the vulnerability is exposed.\n\n### Affected Version\n\n\\\u003e= 8.18.5, \u003e= 10.5.0, \u003e= 12.0.0, \u003e= 13.0.0\n\n### Patches\n8.18.14, 10.8.6, 12.3.10, 13.3.1","status":"published","published":"2024-05-21T14:29:18Z","modified":"2024-05-21T15:39:39Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:37:51.549437Z"}],"nvd":[{"id":"CVE-2024-34071","description":"Umbraco is an ASP.NET CMS used by more than 730.000 websites. Umbraco has an endpoint that is vulnerable to open redirects. The endpoint is protected so it requires the user to be signed into backoffice before the vulnerable is exposed. This vulnerability has been patched in version(s) 8.18.14, 10.8.6, 12.3.10 and 13.3.1.","status":"published","published":"2024-05-21T14:15:11.783Z","modified":"2026-06-17T07:32:51.08Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:10:01.327642Z"}],"osv":[{"id":"CVE-2024-34071","title":"Open Redirect Bypass Protection  ","description":"Umbraco is an ASP.NET CMS used by more than 730.000 websites. Umbraco has an endpoint that is vulnerable to open redirects. The endpoint is protected so it requires the user to be signed into backoffice before the vulnerable is exposed. This vulnerability has been patched in version(s) 8.18.14, 10.8.6, 12.3.10 and 13.3.1.","status":"published","published":"2024-05-21T13:31:31.618Z","modified":"2026-10-28T02:30:22.155704856Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:44:40.391953Z"},{"id":"GHSA-j74q-mv2c-rxmp","title":"Umbraco CMS Open Redirect Bypass Protection  ","description":"### Impact\nUmbraco have an endpoint that is vulnerable to open redirects. The endpoint is protected so it requires the user to be signed into backoffice, before the vulnerability is exposed.\n\n### Affected Version\n\n\\\u003e= 8.18.5, \u003e= 10.5.0, \u003e= 12.0.0, \u003e= 13.0.0\n\n### Patches\n8.18.14, 10.8.6, 12.3.10, 13.3.1","status":"published","published":"2024-05-21T14:29:18Z","modified":"2026-09-10T03:49:23.703892796Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:49.977351Z"}]}}
