CVE-2025-24531_CVE-2025-24531

6.7 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2025-24531

Source mitre

Published Jan 16, 2026 at 00:00

Modified Jan 16, 2026 at 18:07

Affected Product

Vendor OpenSC project

Product pam_pkcs11

Version 0.6.12

Affected Versions OpenSC project pam_pkcs11 0.6.12

CWE Classification

CWE-393

References

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    "lastseen": "",
    "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.",
    "published": "2026-01-16T00:00:00.000Z",
    "modified": "2026-01-16T18:07:08.192Z",
    "type": "cve",
    "title": "CVE-2025-24531",
    "source": "mitre",
    "references": "https://github.com/OpenSC/pam_pkcs11/security/advisories/GHSA-7mf6-rg36-qgch\nhttps://github.com/OpenSC/pam_pkcs11/releases\nhttps://www.openwall.com/lists/oss-security/2025/02/06/3",
    "id": "CVE-2025-24531",
    "bulletinFamily": "",
    "cwe": [
        "CWE-393"
    ],
    "cvelist": null,
    "sourceData": "OpenSC project pam_pkcs11 0.6.12",
    "sourceHref": "",
    "cvss": {
        "score": 6.7,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
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            "privilegesRequired": "",
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            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "pam_pkcs11",
    "version": "0.6.12",
    "vendor": "OpenSC project",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
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    "ai_score": 0
}