CVE-2021-27576: Apache Openmeetings

High severity, CVSS 7.5. EPSS: 2.8% chance of exploitation in the next 30 days.

If was found that the NetTest web service can be used to overload the bandwidth of a Apache OpenMeetings server. This issue was addressed in Apache OpenMeetings 6.0.0

Affected products

• Apache Openmeetings: from 4.0.0, before 6.0.0 (fixed in 6.0.0)

Published 2021-03-15. Last modified 2026-06-17.