An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] in FortiOS SSL-VPN may allow a remote unauthenticated attacker to bypass the patch developed for the symbolic link persistency mechanism observed in some post-exploit cases, via crafted HTTP requests. An attacker would need first to have compromised the product via another vulnerability, at filesystem level.

An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL-VPN may allow an attacker in possession of a cookie used to log in the SSL-VPN portal to log in again, although the session has expired or was logged out.