CVE-2020-28954

medium

Description

web/controllers/ApiController.groovy in BigBlueButton before 2.2.29 lacks certain parameter sanitization, as demonstrated by accepting control characters in a user name.

References

Advisories

https://github.com/bigbluebutton/bigbluebutton/issues/10818

https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29

https://github.com/bigbluebutton/bigbluebutton/commit/e59bcd0c33a6a3203c011faa8823ba2cac1e4f37

https://github.com/bigbluebutton/bigbluebutton/commit/5c911ddeec4493f40f42e2f137800ed4692004a4

Details

Source: Mitre, NVD

Published: 2020-11-19

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

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