CVE Vulnerability

CVE-2020-28954

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

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/bigbluebutton/bigbluebutton/commit/e59bcd0c33a6a3203c011faa8823ba2cac1e4f37 Patch Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/issues/10818 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/commit/5c911ddeec4493f40f42e2f137800ed4692004a4 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*
Information

Published : 2020-11-19 10:15

Updated : 2020-11-29 11:41

NVD link : CVE-2020-28954

Mitre link : CVE-2020-28954

Products Affected
No products.
CWE
CWE-116

Improper Encoding or Escaping of Output