Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Apache Shiro before 1.13.0 or 2.0.0-alpha-4, may be susceptible to a path traversal attack that results in an authentication bypass when used together with path rewriting Mitigation: Update to Apache Shiro 1.13.0+ or 2.0.0-alpha-4+, or ensure blockSemicolon is enabled (this is the default).