CVE-2020-27612

Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 42%
VendorProductVersion
bigbluebuttonbigbluebutton
𝑥
≤ 2.2.28
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://docs.bigbluebutton.org/admin/privacy.html
https://docs.bigbluebutton.org/admin/privacy.html