CVE-2020-28954

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.38%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29 third party advisory release notes
https://github.com/bigbluebutton/bigbluebutton/commit/e59bcd0c33a6a3203c011faa8823ba2cac1e4f37 third party advisory patch
https://github.com/bigbluebutton/bigbluebutton/issues/10818 third party advisory
https://github.com/bigbluebutton/bigbluebutton/commit/5c911ddeec4493f40f42e2f137800ed4692004a4 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-28954?
CVE-2020-28954 has been scored as a medium severity vulnerability.
How to fix CVE-2020-28954?
To fix CVE-2020-28954, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-28954 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-28954 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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