Description Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login. Remediation References CVE-2021-21671 Related Vulnerabilities MySQL CVE-2015-4858 Vulnerability (CVE-2015-4858) Internet Information Services Other Vulnerability (CVE-2000-0246) Osclass Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2012-5163) WordPress Plugin Download Manager Directory Traversal (3.2.54) Ruby Cryptographic Issues Vulnerability (CVE-2013-4363) Severity High Classification CVE-2021-21671 CWE-384 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities