An improper neutralization of input during web page Generation vulnerability [CWE-79] in FortiOS and FortiProxy's web SSL VPN UI may allow a remote unauthenticated attacker to perform a Cross-Site Scripting attack via social engineering the targeted user into bookmarking a malicious samba server, then opening the bookmark.

A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15 and before 6.2.16, Fortinet FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.9 and before 7.0.15, Fortinet FortiManager version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiAnalyzer version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiVoice version 7.0.0 through 7.0.2 before 6.4.8 and Fortinet FortiWeb before 7.4.2 may allow an unauthenticated attacker in a man-in-the-middle position to impersonate the management device (FortiCloud server or/and in certain conditions, FortiManager), via intercepting the FGFM authentication request between the management device and the managed device

An improper check or handling of exceptional conditions vulnerability [CWE-703] in FortiOS version 7.4.0 through 7.4.3 and before 7.2.7, FortiProxy version 7.4.0 through 7.4.3 and before 7.2.9, FortiPAM before 1.2.0 and FortiSwitchManager version 7.2.0 through 7.2.3 and version 7.0.0 through 7.0.3 fgfm daemon may allow an unauthenticated attacker to repeatedly reset the fgfm connection via crafted SSL encrypted TCP requests.