CVE-2011-4966

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authentication, does not properly check the password expiration in /etc/shadow, which allows remote authenticated users to authenticate using an expired password."}, {"lang": "es", "value": "modules/rlm_unix/rlm_unix.c en FreeRADIUS anterior a v2.2.0, cuando el modo unix est\u00e1 activado para la autenticaci\u00f3n de usuarios, no valida adecuadamente la expiraci\u00f3n de la contrase\u00f1a en /etc/shadow, lo que permite a usuarios autenticados remotamente validarse mediante una contrase\u00f1a caducada."}], "id": "CVE-2011-4966", "lastModified": "2026-06-16T23:35:44.193", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2013-03-12T23:55:01.337", "references": [{"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00029.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00079.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHBA-2012-0881.html"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2013-0134.html"}, {"source": "secalert@redhat.com", "url": "https://github.com/alandekok/freeradius-server/commit/1b1ec5ce75e224bd1755650c18ccdaa6dc53e605"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00029.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00079.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHBA-2012-0881.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2013-0134.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/alandekok/freeradius-server/commit/1b1ec5ce75e224bd1755650c18ccdaa6dc53e605"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-255"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2013:0134", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "freeradius2-0:2.1.12-5.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2013-01-08T00:00:00Z"}, {"advisory": "RHBA-2012:0881", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "freeradius-0:2.1.12-3.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-06-20T00:00:00Z"}], "bugzilla": {"description": "freeradius: does not respect expired passwords when using the unix module", "id": "879045", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=879045"}, "csaw": false, "cvss": {"cvss_base_score": "2.1", "cvss_scoring_vector": "AV:N/AC:H/Au:S/C:N/I:P/A:N", "status": "verified"}, "details": ["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."], "name": "CVE-2011-4966", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "freeradius", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2011-11-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-4966\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-4966"], "threat_severity": "Low"}

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