Local Privilege Escalation in VPN Client

A local privilege escalation vulnerability exists in Forcepoint VPN Client that allows a local non-administrative user to escalate privileges to SYSTEM. This issue affects VPN Client for Windows: versions 6.11.3 and prior.

Forcepoint VPN Client for Windows versions lower than 6.6.1 have an unquoted search path vulnerability. This enables local privilege escalation to SYSTEM user. By default, only local administrators can write executables to the vulnerable directories. Forcepoint thanks Peleg Hadar of SafeBreach Labs for finding this vulnerability and for reporting it to us.