FortiClient - Privilege escalation in FortiClient installer


An external control of file name or path vulnerability [CWE-73] in FortiClient Windows may allow an unprivileged attacker to delete or execute files with admin rights via the MSI installer.

Affected Products

FortiClientWindows version 7.0.0 through 7.0.2
FortiClientWindows version 6.4.0 through 6.4.6
FortiClientWindows 6.2 all versions
FortiClientWindows 6.0 all versions


Upgrade to FortiClient 7.0.3 or above
Upgrade to FortiClient 6.4.7 or above


Ilias Dimopoulos of RedyOps Research Labs