CVE-2025-24531 (GCVE-0-2025-24531)

Vulnerability from cvelistv5 – Published: 2026-01-16 00:00 – Updated: 2026-01-16 18:07
VLAI
Summary
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.
Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-393 - Return of Wrong Status Code
Assigner
References
Impacted products
Vendor Product Version
OpenSC project pam_pkcs11 Affected: 0.6.12 , < 0.6.13 (semver)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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