CVE-2020-27611

CVSS V2 High 7.5 CVSS V3 High 7.3

Description

BigBlueButton through 2.2.28 uses STUN/TURN resources from a third party, which may represent an unintended endpoint.

Overview

CVE ID
CVE-2020-27611

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-10-21T15:15:27

Last Modified Date
2022-06-15T03:16:45

Weakness Enumerations

CWE	URL
CWE-327	http://cwe.mitre.org/data/definitions/327.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:bigbluebutton:bigbluebutton::::::::	1	OR		2.2.28

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
7.5

Severity
HIGH

Exploitability Score
10

Impact Score
6.4

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
LOW

Availability Impact
LOW

Base Score
7.3

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.4

References

Reference URL	Reference Tags
https://docs.bigbluebutton.org/admin/privacy.html	Not Applicable
https://github.com/bigbluebutton/bigbluebutton/commit/d0bc77c3dbd858295004f15d7a57ec35e6b203d6

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-27611
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27611

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:19:29				Added to TrackCVE
2022-12-05 00:44:45	2020-10-21T15:15Z	2020-10-21T15:15:27	CVE Published Date	updated
2022-12-05 00:44:45		2022-06-15T03:16:45	CVE Modified Date	updated
2022-12-05 00:44:45		Analyzed	Vulnerability Status	updated