Jenkins 2.227 and earlier, LTS 2.204.5 and earlier uses different representations of request URL paths, which allows attackers to craft URLs that allow bypassing CSRF protection of any target URL.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-2160
Reference (s):
- https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1774
- MLIST:[oss-security] 20200325 Multiple vulnerabilities in Jenkins and Jenkins plugins
- URL: http://www.openwall.com/lists/oss-security/2020/03/25/2