Vulnerability · Published Nov 19, 2020 · Assigned by mitre
CVE-2020-28954
Medium 5.3
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 70% of all known vulnerabilities).
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)1.2%top 30.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29 x_refsource_MISC
- https://github.com/bigbluebutton/bigbluebutton/commit/e59bcd0c33a6a3203c011faa8823ba2cac1e4f37 x_refsource_MISC
- https://github.com/bigbluebutton/bigbluebutton/issues/10818 x_refsource_MISC
- https://github.com/bigbluebutton/bigbluebutton/commit/5c911ddeec4493f40f42e2f137800ed4692004a4 x_refsource_MISC