CVE-2025-24531

6.7 MEDIUM

Published: January 16, 2026 Modified: January 26, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/OpenSC/pam_pkcs11/releases

Source: cve@mitre.org

https://github.com/OpenSC/pam_pkcs11/security/advisories/GHSA-7mf6-rg36-qgch

Source: cve@mitre.org

https://www.openwall.com/lists/oss-security/2025/02/06/3

Source: cve@mitre.org

http://www.openwall.com/lists/oss-security/2025/02/06/3

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.openwall.com/lists/oss-security/2025/02/06/7

Source: af854a3a-2127-422b-91ae-364da2661108

5 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.7 / 10.0

EPSS (Exploit Probability)

0.0%

1th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-393

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