An insufficient verification of data authenticity vulnerability [CWE-345] in Fortinet FortiOS SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.12 & FortiProxy SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.13 allows an authenticated VPN user to send (but not receive) packets spoofing the IP of another user via crafted network packets.

An improper access control vulnerability [CWE-284] in FortiOS and FortiProxy may allow a remote unauthenticated attacker to bypass the firewall deny geolocalisation policy via timing the bypass with a GeoIP database update.

An insertion of sensitive information into log file vulnerability [CWE-532] in FortiOS / FortiProxy log events may allow a remote authenticated attacker to read certain passwords in ciphertext.

A access of uninitialized pointer vulnerability [CWE-824] in Fortinet FortiProxy version 7.2.0 through 7.2.3 and before 7.0.9 and FortiOS version 7.2.0 through 7.2.4 and before 7.0.11 allows an authenticated attacker to repetitively crash the httpsd process via crafted HTTP or HTTPS requests.

A url redirection to untrusted site ('open redirect') in Fortinet FortiOS version 7.2.0 through 7.2.3, FortiOS version 7.0.0 through 7.0.9, FortiOS versions 6.4.0 through 6.4.12, FortiOS all versions 6.2, FortiOS all versions 6.0, FortiProxy version 7.2.0 through 7.2.2, FortiProxy version 7.0.0 through 7.0.8, FortiProxy all versions 2.0, FortiProxy all versions 1.2, FortiProxy all versions 1.1, FortiProxy all versions 1.0 allows an authenticated attacker to execute unauthorized code or commands via specially crafted requests.