CVE-2022-41961

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

BigBlueButton is an open source web conferencing system. Versions prior to 2.4-rc-6 are subject to Ineffective user bans. The attacker could register multiple users, and join the meeting with one of them. When that user is banned, they could still join the meeting with the remaining registered users from the same extId. This issue has been fixed by improving permissions such that banning a user removes all users related to their extId, including registered users that have not joined the meeting. This issue is patched in versions 2.4-rc-6 and 2.5-alpha-1. There are no workarounds.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-345 CWE-346

Affected software

No affected versions have been published.

Timeline

Published: Dec 16, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2022

CVE-2022-419622.7BigBlueButton is an open source web conferencing system. Versions prior to 2.4-rc-6, and 2.5-alpha-1 contain Incorrect Authorization for set CVE-2022-419633.1BigBlueButton is an open source web conferencing system. Versions prior to 2.4.3 contain a whiteboard grace period that exists to handle del CVE-2022-419645.7BigBlueButton is an open source web conferencing system. This vulnerability only affects release candidates of BigBlueButton 2.4. The attack CVE-2022-419656.1Opencast is a free, open-source platform to support the management of educational audio and video content. Prior to Opencast 12.5, Opencast'CVE-2022-419667.5XStream serializes Java objects to XML and back again. Versions prior to 1.4.20 may allow a remote attacker to terminate the application wit CVE-2022-419677.5Dragonfly is a Java runtime dependency management library. Dragonfly v0.3.0-SNAPSHOT does not configure DocumentBuilderFactory to prevent XM CVE-2022-419685.3Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.10 and 24.0.5, calendar name lengths are not validated befo CVE-2022-419692.7Nextcloud Server is an open source personal cloud server. Prior to versions 23.0.11, 24.0.7, and 25.0.0, there is no password length limit w CVE-2022-41974.8The Sliderby10Web WordPress plugin before 1.2.53 does not sanitise and escape some of its settings, which could allow high privilege users s CVE-2022-419705.3Nextcloud Server is an open source personal cloud server. Prior to versions 24.0.7 and 25.0.1, disabled download shares still allow download CVE-2022-419716.5Nextcould Talk android is a video and audio conferencing app for Nextcloud. Prior to versions 12.2.8, 13.0.10, 14.0.6, and 15.0.0, guests ca CVE-2022-419726.5Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. Versions prior to 4.9 contain a NULL Pointer