This enabled an attacker to attempt all 1 million passwords in a matter of minutes and gain access to other people’s private (password protected) Zoom meetings.
This also raises the troubling question as to whether others were potentially already using this vulnerability to listen in to other people’s calls (e.g. the UK Cabinet Meeting!).
Tom Anthony, VP Product at SearchPilot reported the issue to Zoom, who quickly took the web client offline to fix the problem. They seem to have mitigated it by both requiring a user logs in to join meetings in the web client, and updating default meeting passwords to be non-numeric and longer. Therefore this attack no longer works.
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