{"id":"CVE-2024-29035","aliases":["EUVD-2024-1136","GHSA-74p6-39f2-23v3"],"status":"published","title":"Umbraco's Blind SSRF Leads to Port Scan by using Webhooks","description":"Umbraco is an ASP.NET CMS. Failing webhooks logs are available when solution is not in debug mode. Those logs can contain information that is critical. This vulnerability is fixed in 13.1.1.","severity":{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00431,"percentile":0.37625,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-918"],"published":"2024-04-17T14:20:05Z","modified":"2026-10-28T02:30:50Z","fixes":[{"ecosystem":"NuGet","package":"Umbraco.Cms.Core","fixed_in":["13.1.1"],"sources":["ghsa","osv"]},{"ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","fixed_in":["13.1.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.Cms.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.1.1"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.1.1"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.Cms.Core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.1.1"}]}],"versions":["13.0.0","13.0.1","13.0.2","13.0.3","13.1.0","13.1.0-rc"]},{"source":"osv","ecosystem":"NuGet","package":"Umbraco.Cms.Web.BackOffice","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.1.1"}]}],"versions":["13.0.0","13.0.1","13.0.2","13.0.3","13.1.0","13.1.0-rc"]}],"products":[{"vendor":"umbraco","product":"umbraco-cms"},{"vendor":"umbraco","product":"umbraco_cms"}],"references":[{"url":"https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-74p6-39f2-23v3","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/umbraco/Umbraco-CMS/commit/6b8067815c02ae43161966a8075a3585e1bc4de0","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-29035","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-74p6-39f2-23v3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/29xxx/CVE-2024-29035.json","tags":["advisory"]},{"url":"https://github.com/umbraco/Umbraco-CMS","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-29035","title":"Umbraco's Blind SSRF Leads to Port Scan by using Webhooks","description":"Umbraco is an ASP.NET CMS. Failing webhooks logs are available when solution is not in debug mode. Those logs can contain information that is critical. This vulnerability is fixed in 13.1.1.","status":"published","published":"2024-04-17T14:20:05.701Z","modified":"2024-08-02T01:03:51.734Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:34:15.337999Z"}],"euvd":[{"id":"EUVD-2024-1136","description":"Umbraco is an ASP.NET CMS. Failing webhooks logs are available when solution is not in debug mode. Those logs can contain information that is critical. This vulnerability is fixed in 13.1.1.","status":"published","published":"2024-04-17T14:20:05Z","modified":"2024-08-02T01:03:51Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:50:26.166982Z"}],"ghsa":[{"id":"GHSA-74p6-39f2-23v3","title":"Blind SSRF Leads to Port Scan by using Webhooks","description":"### Impact\nFailing webhooks logs are available when solution is not in debug mode. Those logs can contain information that is critical.\n \n### Affected Versions\nUmbraco versions 13.0.0 - 13.1.1\n\n### Patches\n13.1.1\n\n### Workarounds\nDisabling webhooks functionality.","status":"published","published":"2024-04-17T18:20:28Z","modified":"2025-02-12T18:19:48Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:38:30.754382Z"}],"nvd":[{"id":"CVE-2024-29035","description":"Umbraco is an ASP.NET CMS. Failing webhooks logs are available when solution is not in debug mode. Those logs can contain information that is critical. This vulnerability is fixed in 13.1.1.","status":"published","published":"2024-04-17T15:15:07.037Z","modified":"2026-06-17T07:22:17.783Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","level":"medium","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-918"],"updated_at":"2026-11-02T14:09:52.184911Z"}],"osv":[{"id":"CVE-2024-29035","title":"Umbraco's Blind SSRF Leads to Port Scan by using Webhooks","description":"Umbraco is an ASP.NET CMS. Failing webhooks logs are available when solution is not in debug mode. Those logs can contain information that is critical. This vulnerability is fixed in 13.1.1.","status":"published","published":"2024-04-17T14:20:05.701Z","modified":"2026-10-28T02:30:50.339307519Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:44:40.06138Z"},{"id":"GHSA-74p6-39f2-23v3","title":"Blind SSRF Leads to Port Scan by using Webhooks","description":"### Impact\nFailing webhooks logs are available when solution is not in debug mode. Those logs can contain information that is critical.\n \n### Affected Versions\nUmbraco versions 13.0.0 - 13.1.1\n\n### Patches\n13.1.1\n\n### Workarounds\nDisabling webhooks functionality.","status":"published","published":"2024-04-17T18:20:28Z","modified":"2026-09-10T03:50:12.311419743Z","cvss":[{"version":"3.1","score":4.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:46:40.657155Z"}]}}