Updated to add additional version & exploit details. Reps to Crime Dog Vulnerable Versions: Nortel Contivity VPN Client V05_01.100 Patches/Workarounds: Good question Exploit: 1. With the Contivity client open click go into "Group Authentication Options" 2. Select "Challenge Response Token" options. 3. Click on the "Software Token Directory" browse button. 4. Change Files of type: to All Files, navigate to the system32 directory and locate cmd.exe. Right click cmd.exe and choose Open. The result is a command prompt running under the context of the LocalSystem account. Discovered by Crime Dog thecrimedog[at]sbcglobal[dot]net