In Progress Ipswitch WhatsUp Gold 21.0.0 through 21.1.1, and 22.0.0, it is possible for an unauthenticated attacker to invoke an API transaction that would allow them to relay encrypted WhatsUp Gold user credentials to an arbitrary host.
In Progress Ipswitch WhatsUp Gold 17.0.0 through 21.1.1, and 22.0.0, it is possible for an authenticated user to invoke an API transaction that would allow them to read sensitive operating-system attributes from a host that is accessible by the WhatsUp Gold system.
In Progress Ipswitch WhatsUp Gold 21.1.0 through 21.1.1, and 22.0.0, it is possible for an authenticated user to invoke an API transaction that would allow them to read the contents of a local file.
In Progress Ipswitch WhatsUp Gold 16.1 through 21.1.1, and 22.0.0, it is possible for an unauthenticated attacker to obtain the WhatsUp Gold installation serial number.