CVE-2020-28954
BigBlueButton Unvalidated Request Parameter Vulnerability
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.
INFO
Published Date :
Nov. 19, 2020, 10:15 p.m.
Last Modified :
Nov. 29, 2020, 11:41 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-28954.
| URL | Resource |
|---|---|
| https://github.com/bigbluebutton/bigbluebutton/commit/5c911ddeec4493f40f42e2f137800ed4692004a4 | Patch Third Party Advisory |
| https://github.com/bigbluebutton/bigbluebutton/commit/e59bcd0c33a6a3203c011faa8823ba2cac1e4f37 | Patch Third Party Advisory |
| https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29 | Release Notes Third Party Advisory |
| https://github.com/bigbluebutton/bigbluebutton/issues/10818 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-28954 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-28954 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Nov. 29, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Changed Reference Type https://github.com/bigbluebutton/bigbluebutton/commit/5c911ddeec4493f40f42e2f137800ed4692004a4 No Types Assigned https://github.com/bigbluebutton/bigbluebutton/commit/5c911ddeec4493f40f42e2f137800ed4692004a4 Patch, Third Party Advisory Changed Reference Type https://github.com/bigbluebutton/bigbluebutton/commit/e59bcd0c33a6a3203c011faa8823ba2cac1e4f37 No Types Assigned https://github.com/bigbluebutton/bigbluebutton/commit/e59bcd0c33a6a3203c011faa8823ba2cac1e4f37 Patch, Third Party Advisory Changed Reference Type https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29 No Types Assigned https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29 Release Notes, Third Party Advisory Changed Reference Type https://github.com/bigbluebutton/bigbluebutton/issues/10818 No Types Assigned https://github.com/bigbluebutton/bigbluebutton/issues/10818 Third Party Advisory Added CWE NIST CWE-116 Added CPE Configuration OR *cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:* versions up to (excluding) 2.2.29
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-28954 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-28954
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.13 }} -0.00%
score
0.48880
percentile