CVE-2025-46736

Umbraco Makes User Enumeration Feasible Based on Timing of Login Response

Published May 6, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-13623 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.
Github GHSA Github GHSA GHSA-4g8m-5mj5-c8xg Umbraco Makes User Enumeration Feasible Based on Timing of Login Response
History
Type Values Removed Values Added
CPEs cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics epss

{'score': 0.00039}

epss

{'score': 0.00041}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Umbraco Makes User Enumeration Feasible Based on Timing of Login Response
Weaknesses CWE-204
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 6, 2025, 7:41 PM
Reserved
Apr 28, 2025, 8:56 PM
Status
Analyzed
Published
May 6, 2025, 5:16 PM
Modified
Jun 17, 2026, 9:26 AM