An unsafe search path vulnerability in FortiClientWindows 7.0.0, 6.4.6 and below, 6.2.x, 6.0.x and FortiClientEMS 7.0.0, 6.4.6 and below, 6.2.x, 6.0.x may allow an attacker to perform a DLL Hijack attack on affected devices via a malicious OpenSSL engine library in the search path.