CVE-2020-27612

MediumCVSS 4.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://docs.bigbluebutton.org/admin/privacy.htmlNot Applicable
https://docs.bigbluebutton.org/admin/privacy.htmlNot Applicable

Timeline

Published: Oct 21, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

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