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Published: 01/06/2022 Updated: 09/06/2022

CVSS v2 Base Score: 4 | Impact Score: 2.9 | Exploitability Score: 8

CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8

VMScore: 356

Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N

BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a meeting on the server. BigBlueButton versions 2.3.9 and 2.4-beta-1 contain a patch for this issue. There are currently no known workarounds.

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bigbluebutton bigbluebutton 2.4

CWE-200 https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3fqh-p4qr-vfm9 https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4-beta-1 https://github.com/bigbluebutton/bigbluebutton/pull/12861 https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.9 https://nvd.nist.gov

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