An allocation of resources without limits or throttling [CWE-770] vulnerability in FortiOS versions 7.6.0, versions 7.4.4 through 7.4.0, 7.2 all versions, 7.0 all versions, 6.4 all versions may allow a remote unauthenticated attacker to prevent access to the GUI via specially crafted requests directed at specific endpoints.
Solution:
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.