In WhatsUp Gold versions released before 2024.0.0, if the application is configured with only a single user, a SQL Injection vulnerability allows an unauthenticated attacker to retrieve the users encrypted password.

In WhatsUp Gold versions released before 2024.0.2, an attacker can gain access to the WhatsUp Gold server via the public API.

In WhatsUp Gold versions released before 2023.1.3, Distributed Edition installations can be exploited by using a deserialization tool to achieve a Remote Code Execution as SYSTEM.  The vulnerability exists in the main message processing routines NmDistributed.DistributedServiceBehavior.OnMessage for server and NmDistributed.DistributedClient.OnMessage for clients.