CVE-2020-27603: Bigbluebutton

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

BigBlueButton before 2.2.27 has an unsafe JODConverter setting in which LibreOffice document conversions can access external files.

Affected products

• Bigbluebutton Bigbluebutton: before 2.2.27 (fixed in 2.2.27)

Published 2020-10-21. Last modified 2026-06-17.