An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') [CWE-22] in the command line interpreter of FortiOS, FortiPAM, FortiProxy and FortiSwitchManager may allow a privileged attacker to achieve arbitrary write or delete files via specifically crafted arguments to existing commands.

A fundamental design flaw within the RADIUS protocol has been proven to be exploitable, compromising the integrity in the RADIUS Access-Request process. The attack allows a malicious user to modify packets in a way that would be indistinguishable to a RADIUS client or server. To be successful, the attacker must have the ability to inject themselves between the client and server.

A heap buffer overflow in Fortinet FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier and FortiProxy 2.0.0, 1.2.8 and earlier in the SSL VPN web portal may cause the SSL VPN web service termination for logged in users due to a failure to properly handle javascript href data when proxying webpages.