In WhatsUp Gold versions released before 2023.1.3, an unauthenticated Denial of Service vulnerability was identified. An unauthenticated attacker can put the application into the SetAdminPassword installation step, which renders the application non-accessible.
https://www.progress.com/network-monitoring
https://community.progress.com/s/article/WhatsUp-Gold-Security-Bulletin-June-2024