CVE-2022-41964 MEDIUM

CVE-2022-41964: BigBlueButton contains Response leaks in anonymous polls

Vendor Bigbluebutton
Product bigbluebutton
Weakness CWE-200 · Info exposure
Published December 16, 2022
Last update April 17, 2025
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CVSS base score

5.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

BigBlueButton is an open source web conferencing system. This vulnerability only affects release candidates of BigBlueButton 2.4. The attacker can start a subscription for poll results before starting an anonymous poll, and use this subscription to see individual responses in the anonymous poll. The attacker had to be a meeting presenter. This issue is patched in version 2.4.0. There are no workarounds.

Key dates

02Disclosure timeline

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