In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Authentication Module (PAM) that can be deployed to support authentication using a YubiKey or other FIDO compliant authenticators on macOS or Linux. This software package has an issue that allows for an authentication bypass in some configurations. An attacker would require the ability to access the system as an unprivileged user. Depending on the configuration, the attacker may also need to know the user's password.
CVE-2025-23013 is classified as CWE-394: Unexpected Status Code or Return Value. The product does not properly check when a function or operation returns a value that is legitimate for the function, but is not expected by the product.
CVE-2025-23013 is recorded against 1 package.
Published on 15 January 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.
www.yubico.com
www.openwall.com
www.openwall.com
www.openwall.com
www.openwall.com
www.openwall.com
lists.debian.org
unknown has other advisories on record. If you are patching this one, these are worth checking on the same host:
These advisories are the same class of weakness (CWE-394: Unexpected Status Code or Return Value) in other software:
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| unknown | — | — |
References
Similar Threats
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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.
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