CVE-2022-36029

Bigbluebutton Greenlight vulnerability

9.1 CRITICALEPSS 0.41%

Published25 Apr 2024

Description

Greenlight is an end-user interface for BigBlueButton servers. Versions prior to 2.13.0 have an open redirect vulnerability in the Login page due to unchecked the value of the `return_to` cookie. Versions 2.13.0 contains a patch for the issue.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Affected products

Bigbluebutton Greenlight< 2.13.0

Remediation

Fixed in

Bigbluebutton Greenlight≥ 2.13.0

Frequently asked

Is CVE-2022-36029 being actively exploited?

CVE-2022-36029 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.41%.

How severe is CVE-2022-36029?

CVE-2022-36029 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.41% probability of exploitation.

Which products are affected by CVE-2022-36029?

Affected products include Bigbluebutton Greenlight.

How do I fix CVE-2022-36029?

Upgrade affected software to a fixed version, for example Bigbluebutton Greenlight 2.13.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2022-36029 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.