{"id":"CVE-2023-49089","aliases":["EUVD-2023-3121","GHSA-6324-52pr-h4p5"],"status":"published","title":"Umbraco CMS possible path traversal when creating packages from backoffice","description":"Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.0, Backoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location. Versions 8.18.10, 10.8.1, and 12.3.0 contain a patch for this issue.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00624,"percentile":0.50246,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-22"],"published":"2023-12-12T19:02:33Z","modified":"2026-10-28T02:31:07Z","fixes":[{"ecosystem":"NuGet","package":"Umbraco.CMS","fixed_in":["8.18.10","10.8.1","12.3.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.CMS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.18.10"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.CMS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"10.8.1"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.CMS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"12.3.4"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.CMS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.18.10"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.CMS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"10.8.1"}]}],"versions":["10.0.0","10.0.0-rc1","10.0.0-rc2","10.0.0-rc3","10.0.0-rc4","10.0.0-rc5","10.0.1","10.1.0","10.1.0-rc","10.1.0-rc2","10.1.1","10.2.0","10.2.0-rc","10.2.1","10.3.0","10.3.0-rc","10.3.1","10.3.2","10.4.0","10.4.0-rc","10.4.1","10.4.2","10.5.0","10.5.0-rc","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","9.0.0","9.0.1","9.1.0","9.1.0-rc","9.1.1","9.1.2","9.2.0","9.2.0-rc","9.3.0","9.3.0-rc","9.3.1","9.4.0","9.4.0-rc","9.4.1","9.4.2","9.4.3","9.5.0","9.5.0-rc","9.5.0-rc2","9.5.0-rc3","9.5.1","9.5.2","9.5.3","9.5.4"]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.CMS","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"12.3.4"}]}],"versions":["11.0.0","11.1.0","11.1.0-rc","11.2.0","11.2.0-rc","11.2.1","11.2.2","11.3.0","11.3.0-rc","11.3.1","11.4.0","11.4.0-rc","11.4.1","11.4.2","11.5.0","11.5.0-rc","12.0.0","12.0.0-rc1","12.0.0-rc2","12.0.0-rc3","12.0.0-rc4","12.0.0-rc5","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"]}],"products":[{"vendor":"umbraco","product":"umbraco-cms"},{"vendor":"umbraco","product":"umbraco_cms"}],"references":[{"url":"https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-6324-52pr-h4p5","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49089","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6324-52pr-h4p5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49089.json","tags":["advisory"]},{"url":"https://github.com/umbraco/Umbraco-CMS","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-49089","title":"Umbraco CMS possible path traversal when creating packages from backoffice","description":"Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.0, Backoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location. Versions 8.18.10, 10.8.1, and 12.3.0 contain a patch for this issue.","status":"published","published":"2023-12-12T19:02:33.259Z","modified":"2024-08-02T21:46:29.033Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:35:12.998024Z"}],"euvd":[{"id":"EUVD-2023-3121","description":"Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.0, Backoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location. Versions 8.18.10, 10.8.1, and 12.3.0 contain a patch for this issue.","status":"published","published":"2023-12-12T19:02:33Z","modified":"2024-08-02T21:46:29Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T03:49:56.293511Z"}],"ghsa":[{"id":"GHSA-6324-52pr-h4p5","title":"Using the directory back payload (“/../”) in a package name allows placement of package in other folders.","description":"#### Impact\nBackoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location.\n\n#### Explanation of the vulnerability \nThe “Package” section in Umbraco Backoffice allows a logged in user to write folders outside of the default package directory.","status":"published","published":"2023-12-13T13:24:53Z","modified":"2024-09-24T15:52:59Z","cvss":[{"version":"3.1","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:N","level":"none"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:38:05.526697Z"}],"nvd":[{"id":"CVE-2023-49089","description":"Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.0, Backoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location. Versions 8.18.10, 10.8.1, and 12.3.0 contain a patch for this issue.","status":"published","published":"2023-12-12T19:15:07.84Z","modified":"2026-06-17T06:35:20.583Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:08:54.696438Z"}],"osv":[{"id":"CVE-2023-49089","title":"Umbraco CMS possible path traversal when creating packages from backoffice","description":"Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.0, Backoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location. Versions 8.18.10, 10.8.1, and 12.3.0 contain a patch for this issue.","status":"published","published":"2023-12-12T19:02:33.259Z","modified":"2026-10-28T02:31:07.204778561Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:44:34.72355Z"},{"id":"GHSA-6324-52pr-h4p5","title":"Using the directory back payload (“/../”) in a package name allows placement of package in other folders.","description":"#### Impact\nBackoffice users with permissions to create packages can use path traversal and thereby write outside of the expected location.\n\n#### Explanation of the vulnerability \nThe “Package” section in Umbraco Backoffice allows a logged in user to write folders outside of the default package directory.","status":"published","published":"2023-12-13T13:24:53Z","modified":"2026-09-10T03:50:02.385661501Z","cvss":[{"version":"3.1","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:N","level":"none"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:46:38.911014Z"}]}}