CVE-2022-41963

LOW
Published Dec 16, 20223y ago · Modified Jun 17, 20262w ago
3.1 CVSS 3.1
Low
Find Similar
Published Dec 16, 2022 3y ago
Last Modified Jun 17, 2026 2w ago

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

CVSS Details

Base Score
3.1
Exploitability
1.6
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-281

Affected Products 1

VendorProductVersionRange
bigbluebuttonbigbluebutton* <2.4.3

References 2

  • github.com https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.3
    Release NotesThird Party Advisory
  • github.com https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6p9-926c-6qfp
    PatchRelease NotesThird Party Advisory

Remediation

  • github.com https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-v6p9-926c-6qfp
    PatchRelease NotesThird Party Advisory