CVE-2020-27601 json
In BigBlueButton before 2.2.7, lockSettingsProps.disablePrivateChat does not apply to already opened chats.
published 2020-10-21 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-20108
- cvss
- 3.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 3.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N |
Classification
- Weakness
-
- CWE-668 Exposure of Resource to Wrong Sphere
References
-
github.com
/bigbluebutton/bigbluebutton/commit/7dcdfb191373684bafa7b11cdd0128c9869040a1
patch, third-party-advisory
-
github.com
/bigbluebutton/bigbluebutton/compare/v2.2.6...v2.2.7
release-notes, third-party-advisory
Sources
- CVE List CVE-2020-27601
- NVD CVE-2020-27601
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.