CVE-2022-41964

Name: CVE-2022-41964
Creator: NVD / NIST
Published: 2022-12-16T18:15:08.407+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.7/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2022-41964 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. BigBlueButton is an open source web conferencing system. This vulnerability only affects release candidates of BigBlueButton 2.4. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.7/10

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

EPSS Probability

0.55%

41.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions	Update
Bigbluebutton	Bigbluebutton	2.4	Alpha1

References

https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.0Release Notes, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-fgmj-rx7j-fqr4Patch, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.0Release Notes, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-fgmj-rx7j-fqr4Patch, Third Party Advisory

Timeline

Published: Dec 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-41964?

How severe is CVE-2022-41964?

CVE-2022-41964 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2022-41964?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-41964?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST