{"id":"CVE-2011-0438","aliases":["EUVD-2011-0463","GHSA-x932-88vq-xg5c"],"status":"published","title":"nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found...","description":"nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01527,"percentile":0.74853,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2011-03-15T17:00:00Z","modified":"2026-06-16T23:27:23Z","products":[{"vendor":"arthurdejong","product":"nss-pam-ldapd"}],"references":[{"url":"http://securityreason.com/securityalert/8132","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.securityfocus.com/bid/46819","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/66028","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/attachments/txtVf3rHgt8qQ.txt","tags":["x_refsource_MISC","x_transferred","Patch"]},{"url":"http://lists.arthurdejong.org/nss-pam-ldapd-announce/2011/msg00000.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","Vendor Advisory"]},{"url":"http://arthurdejong.org/nss-pam-ldapd/news.html#20110309","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-0438"},{"url":"https://github.com/advisories/GHSA-x932-88vq-xg5c"}],"sources":{"cve":[{"id":"CVE-2011-0438","description":"nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.","status":"published","published":"2011-03-15T17:00:00Z","modified":"2024-08-06T21:51:08.795Z","updated_at":"2026-11-02T14:35:39.079595Z"}],"euvd":[{"id":"EUVD-2011-0463","description":"nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.","status":"published","published":"2011-03-15T17:00:00Z","modified":"2024-08-06T21:51:08Z","updated_at":"2026-11-03T01:56:00.564642Z"}],"ghsa":[{"id":"GHSA-x932-88vq-xg5c","title":"nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found...","description":"nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.","status":"published","published":"2022-05-17T02:02:18Z","modified":"2023-01-27T05:00:49Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:41:45.307734Z"}],"nvd":[{"id":"CVE-2011-0438","description":"nslcd/pam.c in the nss-pam-ldapd 0.8.0 PAM module returns a success code when a user is not found in LDAP, which allows remote attackers to bypass authentication.","status":"published","published":"2011-03-15T17:55:03.25Z","modified":"2026-06-16T23:27:23.16Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:07.221228Z"}]}}