CVE-2022-23490

MEDIUM
Published Dec 16, 20223y ago · Modified Jun 17, 20262w ago
4.3 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. Versions prior to 2.4.0 expose sensitive information to Unauthorized Actors. This issue affects meetings with polls, where the attacker is a meeting participant. Subscribing to the current-poll collection does not update the client UI, but does give the attacker access to the contents of the collection, which include the individual poll responses. This issue is patched in version 2.4.0. There are no workarounds.

CVSS Details

Base Score
4.3
Exploitability
2.8
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Low
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 2

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure
CWE-863 Incorrect Authorization Authorization

Affected Products 1

VendorProductVersionRange
bigbluebuttonbigbluebutton* <2.4.0

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-4qgc-xhw5-6qfg
    PatchThird Party Advisory

Remediation

  • github.com https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-4qgc-xhw5-6qfg
    PatchThird Party Advisory