CVE-2025-24531
6.7
MEDIUM
CVSS 3.1
EPSS 0.24%
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.
How to fix CVE-2025-24531
To remediate CVE-2025-24531, upgrade the affected package to a fixed version below.
- Debian/pam-pkcs11—upgrade to 0.6.12-1+deb12u1 or later
Is CVE-2025-24531 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.6.12-1+deb12u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.7 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |