An execution with unnecessary privileges vulnerability in the VCM engine of FortiClient for Linux versions 6.2.7 and below, version 6.4.0. may allow local users to elevate their privileges to root by creating a malicious script or program on the target machine.

A combination of a use of hard-coded cryptographic key vulnerability [CWE-321] in FortiClientEMS 7.0.1 and below, 6.4.6 and below and an improper certificate validation vulnerability [CWE-297] in FortiClientWindows, FortiClientLinux and FortiClientMac 7.0.1 and below, 6.4.6 and below may allow an unauthenticated and network adjacent attacker to perform a man-in-the-middle attack between the EMS and the FCT via the telemetry protocol.

A download of code without Integrity check vulnerability [CWE-494] in FortiClientMac version 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions, 5.6 all versions, 5.4 all versions, 5.2 all versions, 5.0 all versions and 4.0 all versions may allow a local attacker to escalate their privileges via modifying the installer upon upgrade.

An incorrect permission assignment for critical resource vulnerability [CWE-732] in FortiClient for Linux version 6.0.8 and below, 6.2.9 and below, 6.4.7 and below, 7.0.2 and below may allow an unauthenticated attacker to access sensitive information in log files and directories via symbolic links.