Unspecified vulnerability in Citrix VDI-In-A-Box 5.3.x before 5.3.8 and 5.4.x before 5.4.4 allows remote attackers to bypass authentication via unspecified vectors, related to a Java servlet.
http://www.securitytracker.com/id/1030305
http://www.securityfocus.com/bid/67687