CVE-2025-24531CWE-393

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…

Medium · published January 16, 2026

CVSS v3.1
6.7
EPSS
0%
Percentile
12.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.7 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00229 · 12.9th percentile
Weakness
CWE-393 · Return of Wrong Status Code
Published
2026-01-16T00:00Z
EPSS history
Timeline
  • 16 JAN 00:00Z
    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…
    cvelistv5