Vulnerability DatabaseCVE-2025-24531
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CVE-2025-24531
January 16, 2026
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.
Related Resources (6)
https://github.com/OpenSC/pam_pkcs11/releases
https://github.com/OpenSC/pam_pkcs11/security/advisories/GHSA-7mf6-rg36-qgch
http://www.openwall.com/lists/oss-security/2025/02/06/3
https://www.openwall.com/lists/oss-security/2025/02/06/3
http://www.openwall.com/lists/oss-security/2025/02/06/7
https://seclists.org/oss-sec/2025/q1/109
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CVSS v4
Base Score:
7.4
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Return of Wrong Status Code
CWE-393
EPSS
Base Score:
0.01