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TI-2024-32624 Aliases CVE-2024-48929GHSA-wxw9-6pv9-c3xc

Umbraco CMS Has Incomplete Server Termination During Explicit Sign-Out

Priority LOW 19CWE-384Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Spoofing
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-384.

Summary

Umbraco is a free and open source .NET content management system. In versions on the 13.x branch prior to 13.5.2 and versions on the 10.x branch prior to 10.8.7, during an explicit sign-out, the server session is not fully terminated. Versions 13.5.2 and 10.8.7 contain a patch for the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Fix Fixed Umbraco-CMS (umbraco): 13.5.2, 10.8.7Umbraco.CMS (NuGet): 13.5.2, 10.8.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
umbracoUmbraco-CMS13.0.0 to before 13.5.2; 10.0.0 to before 10.8.713.5.2, 10.8.7Patch availableCNA
—Umbraco.CMS (NuGet)13.0.0 to before 13.5.213.5.2Patch availableGHSA-wxw9-6pv9-c3xc
—Umbraco.CMS (NuGet)10.0.0 to before 10.8.710.8.7Patch availableGHSA-wxw9-6pv9-c3xc
  • Umbraco-CMS Vendorumbraco Affected 13.0.0 to before 13.5.2; 10.0.0 to before 10.8.7 Fixed in 13.5.2, 10.8.7 Patch available CNA
  • Umbraco.CMS (NuGet) Vendor— Affected 13.0.0 to before 13.5.2 Fixed in 13.5.2 Patch available GHSA-wxw9-6pv9-c3xc
  • Umbraco.CMS (NuGet) Vendor— Affected 10.0.0 to before 10.8.7 Fixed in 10.8.7 Patch available GHSA-wxw9-6pv9-c3xc

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*10.0 to before 10.8.7; 13.0 to before 13.5.2Vulnerableumbraco
  • cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:* Versions 10.0 to before 10.8.7; 13.0 to before 13.5.2 Vulnerable ·umbraco

Remediation

  • Fix · CNA Umbraco-CMS (umbraco) Fixed in 13.5.2, 10.8.7
  • Fix · GHSA-wxw9-6pv9-c3xc Umbraco.CMS (NuGet) Fixed in 13.5.2 Advisory →
  • Fix · GHSA-wxw9-6pv9-c3xc Umbraco.CMS (NuGet) Fixed in 10.8.7 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-48929
  2. 2026-10-03 Alias added: GHSA-wxw9-6pv9-c3xc

References

Advisory 2

Other 1

  • TI-2025-41183 An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute… CVSS 3.1CRITICAL 10.0
  • TI-2012-05477 Umbraco CMS < 4.7.1 codeEditorSave.asmx RCE CVSS 4.0CRITICAL 9.3
  • TI-2021-22392 Umbraco v8.14.1 - 'baseUrl' SSRF CVSS 4.0MEDIUM 6.9
  • TI-2024-36846 A stored cross-site scripting (XSS) vulnerability in Umbraco CMS v14.3.1 allows attackers… CVSS 3.1MEDIUM 6.5
  • TI-2019-15240 Umbraco CMS 4.11.8 through 7.15.10, and 7.12.4, allows Remote Code Execution by… CVSS 3.1HIGH 7.2
  • TI-2020-04738 Cross-site scripting in Umbraco CMS CVSS 3.1MEDIUM 5.4
See all 56 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences