CVE-2022-41963: low-severity vulnerability in bigbluebutton
BigBlueButton contains Improper Preservation of Permissions for whiteboard
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 2.7epss 0.5%
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
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Affected products
bigbluebutton · bigbluebuttonRelated CVEs — bigbluebutton
In the same product, most dangerous first.
CVE-2022-29169HIGHReDoS on endpoint html5client/useragent in BigBlueButtonEPSS 1.6%CVE-2022-31064MEDIUMCross site scripting in username that will trigger by sending chatEPSS 1.3%CVE-2022-29232MEDIUMExposure of messages in BigBlueButton public chatsEPSS 1.1%CVE-2022-29235MEDIUMLimited data exposure for shared external videos in BigBlueButtonEPSS 1.1%CVE-2022-29233MEDIUMImproper access control for breakout rooms in BigBlue ButtonEPSS 1.1%CVE-2022-29236MEDIUMImproper access control for pencil annotations in BigBlueButtonEPSS 0.9%