VULNERABILITY INTELLIGENCE
CVE-2024-38518
CVSS score4.6 MEDIUM
EPSS probability0.31%
CISA KEVNot currently listed
Published2024-06-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L
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.
Weakness classification
- security-advisories@github.com: CWE-284