CVE-2013-2067

java/org/apache/catalina/authenticator/FormAuthenticator.java in the form
authentication feature in Apache Tomcat 6.0.21 through 6.0.36 and 7.x
before 7.0.33 does not properly handle the relationships between
authentication requirements and sessions, which allows remote attackers to
inject a request into a session by sending this request during completion
of the login form, a variant of a session fixation attack.