Red Hat JBoss Enterprise Application Platform (EAP) before 6.1.0 and JBoss Portal before 6.1.0 does not load the implementation of a custom authorization module for a new application when an implementation is already loaded and the modules share class names, which allows local users to control certain applications' authorization decisions via a crafted application.
Exploitability
AV:LAC:HAu:NImpact
C:PI:PA:P3.7/AV:L/AC:H/Au:N/C:P/I:P/A:P