CVE-2022-41963
Last modified
CVE-2022-41963 is a low-severity vulnerability rated 3.1/10 on the CVSS scale. BigBlueButton is an open source web conferencing system. Versions prior to 2.4.3 contain a whiteboard grace period that exists to handle delayed messages, but this grace period could be used by attackers to take actions in the few seconds after their access is revoked. EPSS estimates a 0.42% chance of exploitation in the next 30 days.
Description
BigBlueButton is an open source web conferencing system. Versions prior to 2.4.3 contain a whiteboard grace period that exists to handle delayed messages, but this grace period could be used by attackers to take actions in the few seconds after their access is revoked. The attacker must be a meeting participant. This issue is patched in version 2.4.3 an version 2.5-alpha-1
Metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bigbluebutton | Bigbluebutton | < 2.4.3 |
References
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.3Release Notes, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6p9-926c-6qfpPatch, Release Notes, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.3Release Notes, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6p9-926c-6qfpPatch, Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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