{"cve":"CVE-2011-4966","nvd":{"published":"2013-03-12T23:55:01.337","modified":"2026-06-16T23:35:44.193","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-255"],"references":["http://lists.opensuse.org/opensuse-updates/2013-01/msg00029.html","http://lists.opensuse.org/opensuse-updates/2013-01/msg00079.html","http://rhn.redhat.com/errata/RHBA-2012-0881.html","http://rhn.redhat.com/errata/RHSA-2013-0134.html","https://github.com/alandekok/freeradius-server/commit/1b1ec5ce75e224bd1755650c18ccdaa6dc53e605"],"products":["freeradius:freeradius"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2011-4966","score":0.01382,"percentile":0.72164,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}