CVE-2025-46736 MEDIUM

CVE-2025-46736: Umbraco Makes User Enumeration Feasible Based on Timing of Login Response

Vendor Umbraco
Product Umbraco-CMS
Weakness CWE-204
Published May 6, 2025
Last update May 6, 2025

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

Umbraco is a free and open source .NET content management system. Prior to versions 10.8.10 and 13.8.1, based on an analysis of the timing of post login API responses, it's possible to determine whether an account exists. The issue is patched in versions 10.8.10 and 13.8.1. No known workarounds are available.

Key dates

02Disclosure timeline

May 6, 2025 CVE published
May 6, 2025 Record updated