CVE-2022-29232

Name: CVE-2022-29232
Creator: NVD / NIST
Published: 2022-06-01T23:15:08.037+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2022-29232 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a meeting on the server. BigBlueButton versions 2.3.9 and 2.4-beta-1 contain a patch for this issue. There are currently no known workarounds.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.99%

57.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions	Update
Bigbluebutton	Bigbluebutton	>= 2.2.0, < 2.3.9	—
Bigbluebutton	Bigbluebutton	2.4	Alpha1

References

https://github.com/bigbluebutton/bigbluebutton/pull/12861Patch, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.9Release Notes, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-beta-1Release Notes, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3fqh-p4qr-vfm9Patch, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/pull/12861Patch, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.9Release Notes, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-beta-1Release Notes, Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3fqh-p4qr-vfm9Patch, Third Party Advisory

Timeline

Published: Jun 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-29232?

How severe is CVE-2022-29232?

CVE-2022-29232 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29232?

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-2022-29232?

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

Scan your code now

Source: NVD / NIST