Improper Authorization in Umbraco CMS - CVE-2025-27601

 

Improper Authorization in Umbraco CMS - CVE-2025-27601

Published: March 24, 2025


Vulnerability identifier: #VU105961
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-27601
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to improper API access control. A remote user can create and update data type information that should be restricted to users with access to the settings section.


Affected software

Umbraco CMS

How to mitigate CVE-2025-27601

Install updates from vendor's website.

Umbraco CMS - addressed in versions 14.3.3, 15.2.3

External References

Related Security Bulletins