{"schema_version":"1.9.0","id":"GHSA-9xcj-c8cr-8c3c","published":"2019-12-26T18:22:26Z","modified":"2026-08-07T08:12:07.231560570Z","aliases":["CVE-2019-17563"],"summary":"In Apache Tomcat, when using FORM authentication there was a narrow window where an attacker could perform a session fixation attack","details":"When using FORM authentication with Apache Tomcat 9.0.0.M1 to 9.0.29, 8.5.0 to 8.5.49 and 7.0.0 to 7.0.98 there was a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical but, erring on the side of caution, this issue has been treated as a security vulnerability.","affected":[{"package":{"name":"org.apache.tomcat.embed:tomcat-embed-core","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.99"}]}],"versions":["7.0.0","7.0.11","7.0.12","7.0.14","7.0.16","7.0.19","7.0.2","7.0.20","7.0.21","7.0.22","7.0.23","7.0.25","7.0.26","7.0.27","7.0.28","7.0.29","7.0.30","7.0.32","7.0.33","7.0.34","7.0.35","7.0.37","7.0.39","7.0.4","7.0.40","7.0.41","7.0.42","7.0.47","7.0.5","7.0.50","7.0.52","7.0.53","7.0.54","7.0.55","7.0.56","7.0.57","7.0.59","7.0.6","7.0.61","7.0.62","7.0.63","7.0.64","7.0.65","7.0.67","7.0.68","7.0.69","7.0.70","7.0.72","7.0.73","7.0.75","7.0.76","7.0.77","7.0.78","7.0.79","7.0.8","7.0.81","7.0.82","7.0.84","7.0.85","7.0.86","7.0.88","7.0.90","7.0.91","7.0.92","7.0.93","7.0.94","7.0.96"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/12/GHSA-9xcj-c8cr-8c3c/GHSA-9xcj-c8cr-8c3c.json"}},{"package":{"name":"org.apache.tomcat.embed:tomcat-embed-core","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.5.50"}]}],"versions":["8.0.1","8.0.11","8.0.12","8.0.14","8.0.15","8.0.17","8.0.18","8.0.20","8.0.21","8.0.22","8.0.23","8.0.24","8.0.26","8.0.27","8.0.28","8.0.29","8.0.3","8.0.30","8.0.32","8.0.33","8.0.35","8.0.36","8.0.37","8.0.38","8.0.39","8.0.41","8.0.42","8.0.43","8.0.44","8.0.45","8.0.46","8.0.47","8.0.48","8.0.49","8.0.5","8.0.50","8.0.51","8.0.52","8.0.53","8.0.8","8.0.9","8.5.0","8.5.11","8.5.12","8.5.13","8.5.14","8.5.15","8.5.16","8.5.19","8.5.2","8.5.20","8.5.21","8.5.23","8.5.24","8.5.27","8.5.28","8.5.29","8.5.3","8.5.30","8.5.31","8.5.32","8.5.33","8.5.34","8.5.35","8.5.37","8.5.38","8.5.39","8.5.4","8.5.40","8.5.41","8.5.42","8.5.43","8.5.45","8.5.46","8.5.47","8.5.49","8.5.5","8.5.6","8.5.8","8.5.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/12/GHSA-9xcj-c8cr-8c3c/GHSA-9xcj-c8cr-8c3c.json"}},{"package":{"name":"org.apache.tomcat.embed:tomcat-embed-core","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0"},{"fixed":"9.0.30"}]}],"versions":["9.0.1","9.0.10","9.0.11","9.0.12","9.0.13","9.0.14","9.0.16","9.0.17","9.0.19","9.0.2","9.0.20","9.0.21","9.0.22","9.0.24","9.0.26","9.0.27","9.0.29","9.0.4","9.0.5","9.0.6","9.0.7","9.0.8"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/12/GHSA-9xcj-c8cr-8c3c/GHSA-9xcj-c8cr-8c3c.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-17563"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujul2020.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujan2021.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2020.html"},{"type":"WEB","url":"https://www.debian.org/security/2020/dsa-4680"},{"type":"WEB","url":"https://www.debian.org/security/2019/dsa-4596"},{"type":"WEB","url":"https://usn.ubuntu.com/4251-1"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20200107-0001"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202003-43"},{"type":"WEB","url":"https://seclists.org/bugtraq/2019/Dec/43"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2020/01/msg00024.html"},{"type":"WEB","url":"https://lists.apache.org/thread.html/reb9a66f176df29b9a832caa95ebd9ffa3284e8f4922ec4fa3ad8eb2e@%3Cissues.cxf.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/raba0fabaf4d56d4325ab2aca8814f0b30a237ab83d8106b115ee279a@%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c@%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r6ccee4e849bc77df0840c7f853f6bd09d426f6741247da2b7429d5d9@%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0@%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d@%3Cdev.tomcat.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/8b4c1db8300117b28a0f3f743c0b9e3f964687a690cdf9662a884bbd%40%3Cannounce.tomcat.apache.org%3E"},{"type":"PACKAGE","url":"https://github.com/apache/tomcat"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00013.html"}],"database_specific":{"cwe_ids":["CWE-384"],"github_reviewed":true,"github_reviewed_at":"2019-12-26T18:22:01Z","nvd_published_at":"2019-12-23T17:15:00Z","severity":"HIGH"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}