CVE-2025-24531

MEDIUM

6.7

Description

In OpenSC pam_pkcs11 before 0.6.13, pam_sm_authenticate() wrongly returns PAM_IGNORE in many error situations (such as an error triggered by a smartcard before login), allowing authentication bypass.

CVE Details

CVSS v3.1 Score6.7

SeverityMEDIUM

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

Attack VectorLOCAL

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published1/16/2026

Last Modified1/26/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-393

References

https://github.com/OpenSC/pam_pkcs11/releases(cve@mitre.org)

https://github.com/OpenSC/pam_pkcs11/security/advisories/GHSA-7mf6-rg36-qgch(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2025/02/06/3(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2025/02/06/3(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2025/02/06/7(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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