A exposure of resource to wrong sphere vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.3 through 4.4.8 may allow an unauthenticated attacker to access the VNC server of VMs performing scanning via network requests.
Upgrade to FortiSandbox version 5.0.3 or above
Upgrade to FortiSandbox version 4.4.9 or above