CVE-2020-27611 : BigBlueButton through 2.2.28 uses STUN/TURN resources from a third party, which

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

Published 2020-10-21 15:15:27

Updated 2022-06-15 03:16:46

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-27611

Bigbluebutton » Bigbluebutton
Versions up to, including, (<=) 2.2.28
cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.11%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 44 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.3	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	3.9	3.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: Low

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

The product uses a broken or risky cryptographic algorithm or protocol.

Assigned by: nvd@nist.gov (Primary)

https://docs.bigbluebutton.org/admin/privacy.html

BigBlueButton : Privacy
Not Applicable

CVEs referencing this url
https://github.com/bigbluebutton/bigbluebutton/commit/d0bc77c3dbd858295004f15d7a57ec35e6b203d6

Updating stun: for bbb-web to use Google's stun server · bigbluebutton/bigbluebutton@d0bc77c · GitHub
Patch;Third Party Advisory

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