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modules/rlm_unix/rlm_unix.c in FreeRADIUS before 2.2.0, when unix mode is enabled for user authentication, does not properly check the password expiration in /etc/shadow, which allows remote authenticated users to authenticate using an expired password.

🗓️ 02 Oct 2025 06:10:52Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

FreeRADIUS rlm_unix before 2.2.0 fails to check /etc/shadow expiry when unix mode is enabled, allowing remote users with expired passwords to authenticate.

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02 Oct 2025 06:10Current
7High risk
Vulners AI Score7
CVSS 26
EPSS0.00624
2