{"id":"CVE-2020-11989","aliases":["DEBIAN-CVE-2020-11989","DLA-2273-1","EUVD-2021-0981","GHSA-72w9-fcj5-3fcg","UBUNTU-CVE-2020-11989","USN-4740-1"],"status":"published","title":"Improper Authentication in Apache Shiro","description":"Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.24436,"percentile":0.97899,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-287"],"published":"2020-06-22T18:06:37Z","modified":"2026-10-26T12:01:24Z","exploits":[{"source":"pocgithub","id":"HYWZ36/HYWZ36-CVE-2020-11989-code","title":"HYWZ36/HYWZ36-CVE-2020-11989-code","date":"2020-10-18","url":"https://github.com/HYWZ36/HYWZ36-CVE-2020-11989-code"},{"source":"pocgithub","id":"cuijiung/shiro-CVE-2020-11989","title":"cuijiung/shiro-CVE-2020-11989","date":"2025-07-11","url":"https://github.com/cuijiung/shiro-CVE-2020-11989"}],"fixes":[{"ecosystem":"Maven","package":"org.apache.shiro:shiro-core","fixed_in":["1.5.3"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"shiro","fixed_in":["1.3.2-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"shiro","fixed_in":["1.3.2-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"shiro","fixed_in":["1.3.2-5"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"shiro","fixed_in":["1.3.2-3~18.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"shiro","fixed_in":["1.3.2-4ubuntu0.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.shiro:shiro-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"shiro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"shiro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"shiro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-5"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"shiro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-1+deb9u1"}]}],"versions":["1.3.2-1"],"bundled":2},{"source":"osv","ecosystem":"Maven","package":"org.apache.shiro:shiro-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3"}]}],"versions":["1.0.0-incubating","1.1.0","1.2.0","1.2.1","1.2.2","1.2.3","1.2.4","1.2.5","1.2.6","1.3.0","1.3.1","1.3.2","1.4.0","1.4.0-RC2","1.4.1","1.4.2","1.5.0","1.5.1","1.5.2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"shiro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.4-1","1.2.4-1ubuntu0.1~esm1","1.2.4-1ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"shiro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-3~18.04.1"}]}],"versions":["1.3.2-2","1.3.2-3~18.04"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"shiro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-4ubuntu0.1"}]}],"versions":["1.3.2-4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"shiro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-3~18.04.1"}]}],"versions":["1.3.2-2","1.3.2-3~18.04"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"shiro","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-4ubuntu0.1"}]}],"versions":["1.3.2-4"],"bundled":2}],"products":[{"vendor":"apache","product":"shiro"},{"vendor":"apache software foundation","product":"apache shiro"}],"references":[{"url":"https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cuser.shiro.apache.org%3E","tags":["x_refsource_MISC","mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Vendor 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Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.","status":"published","published":"2020-06-22T18:06:37Z","modified":"2024-08-04T11:48:57.71Z","updated_at":"2026-11-02T14:35:57.67317Z"}],"euvd":[{"id":"EUVD-2021-0981","description":"Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.","status":"published","published":"2020-06-22T18:06:37Z","modified":"2024-08-04T11:48:57Z","updated_at":"2026-11-03T03:07:41.399649Z"}],"ghsa":[{"id":"GHSA-72w9-fcj5-3fcg","title":"Improper Authentication in Apache Shiro","description":"Apache Shiro is a powerful and easy-to-use Java security framework that performs authentication, authorization, cryptography, and session management. Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.","status":"published","published":"2021-05-07T15:53:10Z","modified":"2023-02-01T05:05:30Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:36:34.917834Z"}],"nvd":[{"id":"CVE-2020-11989","description":"Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.","status":"published","published":"2020-06-22T19:15:10.653Z","modified":"2026-06-17T02:51:12.25Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/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"}],"updated_at":"2026-11-02T14:06:07.249892Z"}],"osv":[{"id":"CVE-2020-11989","description":"Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.","status":"published","published":"2020-06-22T19:15:10.653Z","modified":"2026-10-24T10:30:27.237504259Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:14.034736Z"},{"id":"DEBIAN-CVE-2020-11989","description":"Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.","status":"published","published":"2020-06-22T19:15:10.653Z","modified":"2026-10-26T12:01:24.707320363Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:32.862554Z"},{"id":"GHSA-72w9-fcj5-3fcg","title":"Improper Authentication in Apache Shiro","description":"Apache Shiro is a powerful and easy-to-use Java security framework that performs authentication, authorization, cryptography, and session management. Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.","status":"published","published":"2021-05-07T15:53:10Z","modified":"2023-11-08T04:02:08.91663Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:40.308826Z"},{"id":"UBUNTU-CVE-2020-11989","description":"Apache Shiro before 1.5.3, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.","status":"published","published":"2020-06-22T19:15:00Z","modified":"2026-02-04T04:21:52.665835Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:22.804634Z"},{"id":"DLA-2273-1","title":"shiro - security update","status":"published","published":"2020-07-08T00:00:00Z","modified":"2026-03-09T01:23:37.49108Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"USN-4740-1","title":"shiro vulnerabilities","description":"It was discovered that Apache Shiro mishandled specially crafted requests. An\nattacker could use this vulnerability to bypass authentication mechanisms.\n","status":"published","published":"2021-02-18T20:35:46Z","modified":"2026-04-27T15:48:52.556725Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}