CVE-2022-41963

Summary

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.3 contain a whiteboard grace period that exists to handle delayed messages, but this grace period could be used by attackers to take actions in the few seconds after their access is revoked. The attacker must be a meeting participant. This issue is patched in version 2.4.3 an version 2.5-alpha-1

Affected Software

VendorProductVersion RangeStatus
bigbluebuttonbigbluebutton< 2.4.3affected

Weaknesses

  • CWE-281: CWE-281: Improper Preservation of Permissions

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References