CVE-2022-41962 BigBlueButton contains Incorrect Authorization for setting emoji status

Low 2.7 Published 16 Dec 2022 Updated 17 Apr 2025

Moderators can improperly set emoji statuses for other users, violating authorization controls in BigBlueButton web conferencing.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-41962?

CVE-2022-41962 is a low-severity missing authorization vulnerability in bigbluebutton, published on 16 Dec 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

BigBlueButton is an open source web conferencing system. Versions prior to 2.4-rc-6, and 2.5-alpha-1 contain Incorrect Authorization for setting emoji status. A user with moderator rights can use the clear status feature to set any emoji status for other users. Moderators should only be able to set none as the status of other users. This issue is patched in 2.4-rc-6 and 2.5-alpha-1There are no workarounds.

Weakness: CWE-863

Which versions are affected by CVE-2022-41962?

It affects 1 product.

Products include Bigbluebutton Bigbluebutton.

How do I fix CVE-2022-41962?

No fix has been published for CVE-2022-41962 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2022-41962 being exploited?

There is no known exploitation of CVE-2022-41962 in the wild and no public exploit code.

Sources

Also known as GHSA-88qf-33qm-9mm7.