What’s Vulnerable › Vulnerabilities
CVE-2024-48929: Umbraco CMS Has Incomplete Server Termination During Explicit Sign-Out
- Severity: medium (CVSS 4.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-10-22 · updated 2026-06-17
- Weakness: CWE-384
Description
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.
Affected products
- Umbraco-CMS: from 10.0 before 10.8.7; from 13.0 before 13.5.2 — fixed in 10.8.7, 13.5.2
How to fix
Upgrade to a fixed version: Umbraco-CMS 10.8.7, 13.5.2. Check the vendor advisory for mitigations.
References
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