The default configuration of IBM WebSphere Application Server (WAS) 7.0.0 before 7.0.0.39, 8.0.0 before 8.0.0.11, and 8.5 before 8.5.5.6 has a false value for the com.ibm.ws.webcontainer.disallowServeServletsByClassname WebContainer property, which allows remote attackers to obtain privileged access via unspecified vectors.
http://www.securitytracker.com/id/1033383
http://www.securityfocus.com/bid/75486
http://www-01.ibm.com/support/docview.wss?uid=swg21963275