In WhatsUp Gold versions released before 2023.1.3, an unauthenticated Arbitrary File Read issue exists in Wug.UI.Areas.Wug.Controllers.SessionController.CachedCSS. This vulnerability allows reading of any file with iisapppool\NmConsole privileges.
https://www.progress.com/network-monitoring
https://community.progress.com/s/article/WhatsUp-Gold-Security-Bulletin-June-2024