{"id":"UBUNTU-CVE-2020-17523","details":"Apache Shiro before 1.7.1, when using Apache Shiro with Spring, a specially crafted HTTP request may cause an authentication bypass.","modified":"2026-02-04T02:16:04.523973Z","published":"2021-02-03T17:15:00Z","withdrawn":"2025-06-23T15:53:43Z","related":["CVE-2020-17523"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-17523"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2021/02/01/3"},{"type":"REPORT","url":"https://issues.apache.org/jira/browse/SHIRO-797"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/rce5943430a6136d37a1f2fc201d245fe094e2727a0bc27e3b2d43a39%40%3Cdev.shiro.apache.org%3E"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-17523"}],"affected":[{"package":{"name":"shiro","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/shiro?arch=src?distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.4-1"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-17523.json"}},{"package":{"name":"shiro","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/shiro?arch=src?distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.2-2","1.3.2-3~18.04","1.3.2-3~18.04.1","1.3.2-3ubuntu0.18.04.1~esm1"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-17523.json"}},{"package":{"name":"shiro","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/shiro?arch=src?distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.2-4","1.3.2-4ubuntu0.1","1.3.2-4ubuntu0.2"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-17523.json"}},{"package":{"name":"shiro","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/shiro?arch=src?distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.2-4","1.3.2-5"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-17523.json"}},{"package":{"name":"shiro","ecosystem":"Ubuntu:24.10","purl":"pkg:deb/ubuntu/shiro?arch=src?distro=oracular"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.2-5"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-17523.json"}},{"package":{"name":"shiro","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/shiro?arch=src?distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.2-5"],"ecosystem_specific":{"ubuntu_priority":"medium"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-17523.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:H/A:H"}]}