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CVE-2020-27607

MEDIUM
6.5
CVSS Score
Published: October 21, 2020 at 02:08 PM UTC
Updated: June 17, 2026 at 03:09 AM UTC
1 product affected across 1 vendorBigbluebutton

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.8%

Description

In BigBlueButton before 2.2.28 (or earlier), the client-side Mute button only signifies that the server should stop accepting audio data from the client. It does not directly configure the client to stop sending audio data to the server, and thus a modified server could store the audio data and/or transmit it to one or more meeting participants or other third parties.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Bigbluebutton· Bigbluebutton
95%
v < 2.2.28
Affected range stops below 2.2.28, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.html

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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