Improper Authentication in pam-u2f - CVE-2025-23013

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Main Vulnerability Database Vulnerabilities #VU102855

Improper Authentication in pam-u2f - CVE-2025-23013

Published: January 16, 2025


Vulnerability identifier: #VU102855
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-23013
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Yubico
Affected software:
pam-u2f

Detailed vulnerability description

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests. A local user can bypass authentication process and gain unauthorized access to the application.


How to mitigate CVE-2025-23013

Install updates from vendor's website.

Sources