CVE-2024-38518

Summary

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.

Affected Software

VendorProductVersion RangeStatus
bigbluebuttonbigbluebutton< 2.6.18affected
bigbluebuttonbigbluebutton>= 2.7.0, < 2.7.8affected
bigbluebuttonbigbluebutton>= 2.8.0, < 3.0.0-alpha.7affected

Weaknesses

  • CWE-284: CWE-284: Improper Access Control

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References