CVE-2024-38518
Medium
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.
SeverityMedium
CVSS4.6
Exploit probability24. percentile0.3%
ProductBigbluebutton
PublishedJun 28, 2024
First seenJun 28, 2024
Weakness typeCWE-284Improper access control
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bigbluebutton bigbluebutton | < 2.6.18, >= 2.7.0, < 2.7.8, >= 2.8.0, < 3.0.0-alpha.7 | — |
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