CVE-2022-41963 LOW

CVE-2022-41963: BigBlueButton contains Improper Preservation of Permissions for whiteboard

Vendor Bigbluebutton
Product bigbluebutton
Weakness CWE-281
Published December 16, 2022
Last update April 17, 2025

CVSS base score

2.7/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

December 16, 2022 CVE published
April 17, 2025 Record updated