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CVE-2022-36029: BigBlueButton Greenlight Open Redirect vulnerability

CVE-2022-36029 · published 2 years ago

Summary

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.

What to do

Update bigbluebutton greenlight to version 2.13.0 or later.

Affected software

Vendor	Product	Affected versions
bigbluebutton	greenlight	< 2.13.0 `cpe:2.3:a:bigbluebutton:greenlight::::::::`

Original advisory text

BigBlueButton Greenlight Open Redirect vulnerability

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/36xxx/CVE-2022-36029... Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2022-36029 Vendor Advisory
https://github.com/bigbluebutton/greenlight Product
https://huntr.com/bounties/ba5834bd-1f04-4936-8e93-2442d45403bahttps:// URL
https://github.com/bigbluebutton/greenlight/commit/20fe1ee71b5703fcc4ed698a959ad... Patch

Fix within

Internet-facing 3 days

Internal 60 days

Not known to be exploited
Can be exploited automatically
Gives an attacker full control

Severity

9.1 Critical

Exploitation

<1% chance of attack within 30 days

Type

CWE-601Open Redirect

Timeline

Published25 Apr 2024

Updated4 Nov 2026

First seen29 Sep 2026

Sources

CVE-2022-36029 · NVD

CVE-2022-36029 · OSV

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