In WhatsUp Gold versions released before 2023.1.2 , an SSRF vulnerability exists in Whatsup Gold's Issue exists in the HTTP Monitoring functionality. Due to the lack of proper authorization, any authenticated user can access the HTTP monitoring functionality, what leads to the Server Side Request Forgery.
https://www.progress.com/network-monitoring
https://community.progress.com/s/article/Announcing-WhatsUp-Gold-v2023-1-2