A null pointer dereference [CWE-476] in FortiOS and FortiProxy SSL VPN may allow an authenticated attacker to perform a DoS attack on the device via specifically crafted HTTP requests.

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0.0 through 6.0.16, FortiPAM 1.1.0, FortiPAM 1.0 all versions, FortiProxy 7.2.0 through 7.2.5, FortiProxy 7.0.0 through 7.0.11, FortiProxy 2.0 all versions, FortiProxy 01.02 all versions, FortiProxy 1.2 all versions, FortiProxy 01.01 all versions, FortiProxy 1.1 all versions, FortiProxy 01.00 all versions allows attacker to execute unauthorized code or commands via specially crafted commands

An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiOS and FortiProxy GUI may allow an authenticated attacker to trigger malicious JavaScript code execution via crafted guest management setting.