The vulnerability affects the implementation of URL/SPAM/AV filtering in FortiOS and Fortinet’s FortiClient for Windows and FortiClient for Mac security solutions. This allows attackers to execute a type of “man-in-the-middle” attack.

The vulnerability of the URL/SPAM/AV filtering implementations in FortiOS and Fortinet’s FortiClient for Windows and FortiClient for Mac systems is related to the use of a strictly encrypted cryptographic key. Exploiting this vulnerability could allow an attacker to execute a type of...