{"id":"CVE-2018-11764","aliases":["EUVD-2022-0810","GHSA-4fh8-pm7g-pmxq"],"status":"published","title":"Authentication bypass in Apache Hadoop","description":"Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02394,"percentile":0.84091,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-306"],"published":"2020-10-21T18:13:56Z","modified":"2026-10-24T10:30:34Z","fixes":[{"ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","fixed_in":["3.0.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0-alpha4"},{"last_affected":"3.0.0-alpha4"},{"fixed":"3.0.1"}]}],"versions":["3.0.0-alpha4"]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0-beta1"},{"last_affected":"3.0.0-beta1"},{"fixed":"3.0.1"}]}],"versions":["3.0.0-beta1"]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"last_affected":"3.0.0"},{"fixed":"3.0.1"}]}],"versions":["3.0.0"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0-alpha4"},{"fixed":"3.0.1"}]}],"versions":["3.0.0","3.0.0-alpha4","3.0.0-beta1"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0-beta1"},{"fixed":"3.0.1"}]}],"versions":["3.0.0","3.0.0-beta1"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.hadoop:hadoop-main","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.0.1"}]}],"versions":["3.0.0"]}],"products":[{"vendor":"apache","product":"hadoop"},{"vendor":"apache software foundation","product":"apache hadoop"}],"references":[{"url":"https://lists.apache.org/thread.html/r790ad0a049cde713b93589ecfd4dd2766fda0fc6807eedb6cf69f5c1%40%3Cgeneral.hadoop.apache.org%3E","tags":["x_refsource_MISC","x_transferred","Mailing List","Vendor Advisory","advisory","web"]},{"url":"https://security.netapp.com/advisory/ntap-20201103-0003/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11764","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4fh8-pm7g-pmxq"},{"url":"https://security.netapp.com/advisory/ntap-20201103-0003","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-11764","description":"Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.","status":"published","published":"2020-10-21T18:13:56Z","modified":"2024-08-05T08:17:09.093Z","updated_at":"2026-11-02T14:35:09.570381Z"}],"euvd":[{"id":"EUVD-2022-0810","description":"Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.","status":"published","published":"2020-10-21T18:13:56Z","modified":"2024-08-05T08:17:09Z","updated_at":"2026-11-03T02:39:54.130594Z"}],"ghsa":[{"id":"GHSA-4fh8-pm7g-pmxq","title":"Authentication bypass in Apache Hadoop","description":"Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.","status":"published","published":"2022-02-10T20:28:06Z","modified":"2023-02-01T05:05:38Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:36:34.917834Z"}],"nvd":[{"id":"CVE-2018-11764","description":"Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.","status":"published","published":"2020-10-21T19:15:13.543Z","modified":"2026-06-17T01:36:32.453Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:05:00.03074Z"}],"osv":[{"id":"CVE-2018-11764","description":"Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.","status":"published","published":"2020-10-21T19:15:13.543Z","modified":"2026-10-24T10:30:34.73764703Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:07.934182Z"},{"id":"GHSA-4fh8-pm7g-pmxq","title":"Authentication bypass in Apache Hadoop","description":"Web endpoint authentication check is broken in Apache Hadoop 3.0.0-alpha4, 3.0.0-beta1, and 3.0.0. Authenticated users may impersonate any user even if no proxy user is configured.","status":"published","published":"2022-02-10T20:28:06Z","modified":"2026-09-10T03:49:11.529126052Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:46:36.782754Z"}]}}