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MEDIUM · 4.3

CVE-2020-27612

Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publish...

Vulnerability Description

Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
BigbluebuttonBigbluebutton<= 2.2.28

Related Weaknesses (CWE)

CWE-200

References

FAQ

What is CVE-2020-27612?

CVE-2020-27612 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publish...

How severe is CVE-2020-27612?

CVE-2020-27612 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-27612?

Check the references section above for vendor advisories and patch information. Affected products include: Bigbluebutton Bigbluebutton.