{"id":"CVE-2016-0733","aliases":["EUVD-2018-0626","GHSA-j84c-j8qm-g47r"],"status":"published","title":"The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password","description":"The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password, which allows remote attackers to bypass authentication by leveraging knowledge of a valid username.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.03063,"percentile":0.87675,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2016-04-12T14:00:00Z","modified":"2026-06-17T00:38:06Z","fixes":[{"ecosystem":"Maven","package":"org.apache.ranger:ranger","fixed_in":["0.5.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.ranger:ranger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.apache.ranger:ranger","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.1"}]}]}],"products":[{"vendor":"apache","product":"ranger"}],"references":[{"url":"http://www.securityfocus.com/bid/82871","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://mail-archives.apache.org/mod_mbox/ranger-dev/201602.mbox/%3CD2D9A4C5.114ECA%25vel%40apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://issues.apache.org/jira/browse/RANGER-835","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web"]},{"url":"https://cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-0733","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-j84c-j8qm-g47r","tags":["advisory"]},{"url":"https://mail-archives.apache.org/mod_mbox/ranger-dev/201602.mbox/%3CD2D9A4C5.114ECA%25vel@apache.org%3E","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2016-0733","description":"The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password, which allows remote attackers to bypass authentication by leveraging knowledge of a valid username.","status":"published","published":"2016-04-12T14:00:00Z","modified":"2024-08-05T22:30:04.052Z","updated_at":"2026-11-02T14:33:37.446553Z"}],"euvd":[{"id":"EUVD-2018-0626","description":"The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password, which allows remote attackers to bypass authentication by leveraging knowledge of a valid username.","status":"published","published":"2016-04-12T14:00:00Z","modified":"2024-08-05T22:30:04Z","updated_at":"2026-11-03T02:23:00.426765Z"}],"ghsa":[{"id":"GHSA-j84c-j8qm-g47r","title":"The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password","description":"The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password, which allows remote attackers to bypass authentication by leveraging knowledge of a valid username.","status":"published","published":"2018-10-17T17:21:11Z","modified":"2023-01-09T05:02:56Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:36:04.396827Z"}],"nvd":[{"id":"CVE-2016-0733","description":"The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password, which allows remote attackers to bypass authentication by leveraging knowledge of a valid username.","status":"published","published":"2016-04-12T14:59:08.087Z","modified":"2026-06-17T00:38:06.96Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:03:23.795791Z"}],"osv":[{"id":"GHSA-j84c-j8qm-g47r","title":"The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password","description":"The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password, which allows remote attackers to bypass authentication by leveraging knowledge of a valid username.","status":"published","published":"2018-10-17T17:21:11Z","modified":"2023-11-08T03:58:05.683844Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:49.977351Z"}]}}