Description
BigBlueButton is an open-source virtual classroom designed to help teachers teach and learners learn. An attacker with a valid join link to a meeting can trick BigBlueButton into generating a signed join link with additional parameters. One of those parameters may be "role=moderator", allowing an attacker to join a meeting as moderator using a join link that was originally created for viewer access. This vulnerability has been patched in version(s) 2.6.18, 2.7.8 and 3.0.0-alpha.7.
Published: 2024-06-28
Score: 4.6 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2024-37388 BigBlueButton is an open-source virtual classroom designed to help teachers teach and learners learn. An attacker with a valid join link to a meeting can trick BigBlueButton into generating a signed join link with additional parameters. One of those parameters may be "role=moderator", allowing an attacker to join a meeting as moderator using a join link that was originally created for viewer access. This vulnerability has been patched in version(s) 2.6.18, 2.7.8 and 3.0.0-alpha.7.
History

No history.

Subscriptions

Bigbluebutton Bigbluebutton
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-02T04:12:25.127Z

Reserved: 2024-06-18T16:37:02.727Z

Link: CVE-2024-38518

cve-icon Vulnrichment

Updated: 2024-08-02T04:12:25.127Z

cve-icon NVD

Status : Deferred

Published: 2024-06-28T21:15:03.180

Modified: 2026-04-15T00:35:42.020

Link: CVE-2024-38518

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-12T22:16:08Z

Weaknesses