Mailboxd in zimbra collaboration suite 8.8 before 8.8.8; 8.7 before 8.7.11.patch3; and 8.6 allows account enumeration by leveraging a discrepancy between the "http 404 - account is not active" and "http 401 - must authenticate" errors.
With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.
– Scott Cheney, Manager of Information Security, Sierra View Medical Center