Provide references for CVE-2020-12443.
Where can I find more information about CVE-2020-12443?
References are available at: https://github.com/mclab-hbrs/BBB-POC, https://github.com/bigbluebutton/bigbluebutton/pull/9259/commits/b21ca8355a57286a1e6df96984b3a4c57679a463.