An exposure of sensitive system information to an unauthorized control sphere vulnerability [CWE-497] in FortiDDoS version 5.4.0, version 5.3.2 and below, version 5.2.0, version 5.1.0, version 5.0.0, version 4.7.0, version 4.6.0, version 4.5.0, version 4.4.2 and below, FortiDDoS-CM version 5.3.0, version 5.2.0, version 5.1.0, version 5.0.0, version 4.7.0, FortiVoice version 6.0.6 and below, FortiRecorder version 6.0.3 and below and FortiMail version 6.4.1 and below, version 6.2.4 and below, version 6.0.9 and below may allow a remote, unauthenticated attacker to obtain potentially sensitive software-version information by reading a JavaScript file.