{"id":"UBUNTU-CVE-2020-13933","details":"Apache Shiro before 1.6.0, when using Apache Shiro, a specially crafted HTTP request may cause an authentication bypass.","modified":"2026-01-30T01:39:34.976533Z","published":"2020-08-17T21:15:00Z","related":["USN-6352-1"],"upstream":["CVE-2020-13933"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-13933"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/r539f87706094e79c5da0826030384373f0041068936912876856835f%40%3Cdev.shiro.apache.org%3E"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6352-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-13933"}],"affected":[{"package":{"name":"shiro","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/shiro@1.2.4-1ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.4-1","1.2.4-1ubuntu0.1~esm1","1.2.4-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libshiro-java","binary_version":"1.2.4-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-13933.json"}},{"package":{"name":"shiro","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/shiro@1.3.2-3ubuntu0.18.04.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-3ubuntu0.18.04.1~esm1"}]}],"versions":["1.3.2-2","1.3.2-3~18.04","1.3.2-3~18.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.3.2-3ubuntu0.18.04.1~esm1","binary_name":"libshiro-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-13933.json"}},{"package":{"name":"shiro","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/shiro@1.3.2-4ubuntu0.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-4ubuntu0.2"}]}],"versions":["1.3.2-4","1.3.2-4ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libshiro-java","binary_version":"1.3.2-4ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-13933.json"}},{"package":{"name":"shiro","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/shiro@1.3.2-5?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-5"}]}],"versions":["1.3.2-4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.3.2-5","binary_name":"libshiro-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-13933.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}