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.
EMC VPLEX GeoSynchrony code level 5.5 and earlier contains an undocumented account that may potentially be utilized by malicious VPLEX users to gain unauthorized access to the system.