
Decrypt reversible secrets encrypted using the default hardcoded key related to CVE-2020-9289 on FortiAnalyzer/FortiManager (the only difference with CVE-2019-6693 is the encryption routine).
CVE-2020-9289 and CVE-2019-6693 are related to the same default and hardcoded key.
The only differences on the decryption routine implemented in FortiManager/FortiAnalyzer are:
See https://www.fortiguard.com/psirt/FG-IR-19-007 for more details.