{"cve":"CVE-2016-0733","nvd":{"published":"2016-04-12T14:59:08.087","modified":"2026-06-17T00:38:06.960","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-287"],"references":["http://www.securityfocus.com/bid/82871","https://cwiki.apache.org/confluence/display/RANGER/Vulnerabilities+found+in+Ranger","https://issues.apache.org/jira/browse/RANGER-835","https://mail-archives.apache.org/mod_mbox/ranger-dev/201602.mbox/%3CD2D9A4C5.114ECA%25vel%40apache.org%3E","http://www.securityfocus.com/bid/82871"],"products":["apache:ranger"],"source":"nvd","synced_at":"2026-10-19T20:37:48.328043465+00:00"},"epss":{"cve":"CVE-2016-0733","score":0.03063,"percentile":0.87618,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j84c-j8qm-g47r","url":"https://osv.dev/vulnerability/GHSA-j84c-j8qm-g47r","summary":"The Admin UI in Apache Ranger before 0.5.1 does not properly handle authentication requests that lack a password","modified":"2023-11-08T03:58:05.683844Z","packages":[{"ecosystem":"Maven","name":"org.apache.ranger:ranger","purl":"pkg:maven/org.apache.ranger/ranger","ranges":["<0.5.1"],"fixed":["0.5.1"]}]}],"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."]}