CVE-2020-28954

CVSS V2 Medium 5 CVSS V3 Medium 5.3
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.
Overview
  • CVE ID
  • CVE-2020-28954
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-11-19T22:15:13
  • Last Modified Date
  • 2020-11-29T23:41:06
Weakness Enumerations
CWE URL
CWE-116 http://cwe.mitre.org/data/definitions/116.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:* 1 OR 2.2.29
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-28954
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28954
History
Created Old Value New Value Data Type Notes
2022-05-10 07:32:40 Added to TrackCVE
2022-12-05 17:07:07 2020-11-19T22:15Z 2020-11-19T22:15:13 CVE Published Date updated
2022-12-05 17:07:07 2020-11-29T23:41:06 CVE Modified Date updated
2022-12-05 17:07:07 Analyzed Vulnerability Status updated