CVE-2025-24531

MEDIUM EPSS 14.4%
Published Jan 16, 20265mo ago · Modified Jun 17, 20261w ago
6.7 CVSS 3.1
Medium
Find Similar
Published Jan 16, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.7
Exploitability
1.4
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Local
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
14.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-393

References 5

  • openwall.com http://www.openwall.com/lists/oss-security/2025/02/06/3
  • openwall.com http://www.openwall.com/lists/oss-security/2025/02/06/7
  • github.com https://github.com/OpenSC/pam_pkcs11/releases
  • github.com https://github.com/OpenSC/pam_pkcs11/security/advisories/GHSA-7mf6-rg36-qgch
  • openwall.com https://www.openwall.com/lists/oss-security/2025/02/06/3

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.