CVE-2022-41964

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

Description

BigBlueButton is an open source web conferencing system. This vulnerability only affects release candidates of BigBlueButton 2.4. The attacker can start a subscription for poll results before starting an anonymous poll, and use this subscription to see individual responses in the anonymous poll. The attacker had to be a meeting presenter. This issue is patched in version 2.4.0. There are no workarounds.

CVSS Details

Base Score
5.7
Exploitability
2.1
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity None
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-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 13

VendorProductVersionRange
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any
bigbluebuttonbigbluebutton2.4any

References 2

  • github.com https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.0
    Release NotesThird Party Advisory
  • github.com https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-fgmj-rx7j-fqr4
    PatchThird Party Advisory

Remediation

  • github.com https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-fgmj-rx7j-fqr4
    PatchThird Party Advisory