CVE-2025-24531

MediumCVSS 6.7/10Last modified Jun 17, 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.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-393

Affected software

Vendor	Product	Versions
OpenSC project	pam_pkcs11	>= 0.6.12, < 0.6.13

References

Timeline

Published: Jan 16, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

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