EMC VPLEX GeoSynchrony 5.4 SP1 before P3 and 5.5 before Patch 1 has a default password for the root account, which allows local users to gain privileges by leveraging a login session.
http://www.securitytracker.com/id/1034526
http://www.securityfocus.com/bid/79664
http://seclists.org/bugtraq/2015/Dec/129
http://packetstormsecurity.com/files/135041/EMC-VPLEX-Undocumented-Account.html