{"id":"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.","aliases":["GHSA-v98j-7crc-wvrj"],"modified":"2026-03-15T22:34:33.196483Z","published":"2021-02-03T17:15:13.700Z","references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r679ca97813384bdb1a4c087810ba44d9ad9c7c11583979bb7481d196%40%3Cdev.shiro.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d23ed0dd%40%3Cusers.activemq.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r852971e28f54cafa7d325bd7033115c67d613b112a2a1076817390ac%40%3Cdev.shiro.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r9d93dfb5df016b1a71a808486bc8f9fbafebbdbc8533625f91253f1d%40%3Cdev.shiro.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rd4b613e121438b97e3eb263cac3137caddb1dbd8f648b73a4f1898a6%40%3Cissues.activemq.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/re25b8317b00a50272a7252c4552cf1a81a97984cc2111ef7728e48e0%40%3Cdev.shiro.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r5b93ddf97e2c4cda779d22fab30539bdec454cfa5baec4ad0ffae235%40%3Cgitbox.activemq.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/rce5943430a6136d37a1f2fc201d245fe094e2727a0bc27e3b2d43a39%40%3Cdev.shiro.apache.org%3E"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/shiro","events":[{"introduced":"0"},{"fixed":"40bac06d2fd41d7a9e9e0409753b5a409972150c"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.7.1"}]}}],"versions":["shiro-root-1.4.0-RC2","shiro-root-1.4.0-RC2-release-vote1","shiro-root-1.4.1","shiro-root-1.5.0","shiro-root-1.5.2","shiro-root-1.5.2-release-vote1","shiro-root-1.5.3","shiro-root-1.5.3-release-vote1","shiro-root-1.6.0","shiro-root-1.7.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-17523.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}