Unrated severityNVD Advisory· Published Dec 16, 2022· Updated Apr 17, 2025
BigBlueButton contains Improper Preservation of Permissions for whiteboard
CVE-2022-41963
Description
BigBlueButton is an open source web conferencing system. Versions prior to 2.4.3 contain a whiteboard grace period that exists to handle delayed messages, but this grace period could be used by attackers to take actions in the few seconds after their access is revoked. The attacker must be a meeting participant. This issue is patched in version 2.4.3 an version 2.5-alpha-1
AI Insight
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Affected products
2<2.4.3+ 1 more
- (no CPE)range: <2.4.3
- (no CPE)range: < 2.4.3
Patches
Vulnerability mechanics
References
2- github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.3mitrex_refsource_MISC
- github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6p9-926c-6qfpmitrex_refsource_CONFIRM
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