CVE-2022-41963

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CVSS 3.1

3.1 low

EPSS

<1%p35

Published

Dec 16, 2022 (Dec 16, 2022)

Modified

Jun 17, 2026

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

Vendors: bigbluebutton
Products: bigbluebutton
Weakness: CWE-281
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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