FortiOS IKE VendorID version information disclosure
The FortiOS IKE packets which include the Vendor ID embed the FortiOS build version number.
FortiOS 5.0.0 to 5.4.4 and 5.6.0 versions.
Upgrade to FortiOS version 5.2.12, 5.4.5 or 5.6.1
Fortinet is pleased to thank independent researcher Alexis La Goutte for reporting this vulnerability under responsible disclosure.