In WhatsUp Gold versions released before 2023.1.3, an authenticated SSRF vulnerability in Wug.UI.Areas.Wug.Controllers.SessionControler.Update allows a low privileged user to chain this SSRF with an Improper Access Control vulnerability. This can be used to escalate privileges to Admin.
https://www.progress.com/network-monitoring
https://community.progress.com/s/article/WhatsUp-Gold-Security-Bulletin-June-2024