CVE-2020-27612

MEDIUM

Greenlight in BigBlueButton <2.2.28 - Info Disclosure

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Not Applicable x_refsource_misc
https://docs.bigbluebutton.org/admin/privacy.html

Scores

CVSS v3 4.3
EPSS 0.0067
EPSS Percentile 47.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-200
Status published
Products (1)
bigbluebutton/bigbluebutton < 2.2.28
Published Oct 21, 2020
Tracked Since Feb 18, 2026