CVE-2020-27601

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-09-29 · updated 2026-06-17
Weakness: CWE-668

Description

In BigBlueButton before 2.2.7, lockSettingsProps.disablePrivateChat does not apply to already opened chats. This occurs in bigbluebutton-html5/imports/ui/components/chat/service.js.

Affected products

bigbluebutton: before 2.2.7 — fixed in 2.2.7

How to fix

Upgrade to a fixed version: bigbluebutton 2.2.7. Check the vendor advisory for mitigations.

References

https://github.com/bigbluebutton/bigbluebutton/commit/7dcdfb191373684bafa7b11cdd0128c9869040a1
https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.6...v2.2.7
https://github.com/bigbluebutton/bigbluebutton/commit/7dcdfb191373684bafa7b11cdd0128c9869040a1
https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.6...v2.2.7

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