Open Redirect in Bigbluebutton Greenlight

CVE-2022-36029

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.

Vulnerability class: Open Redirect

EPSS: 0.004 (33.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-36029?
CVE-2022-36029 is a critical-severity vulnerability in Bigbluebutton Greenlight, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 9.1/10. Published 2024-04-25.
How severe is CVE-2022-36029?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2022-36029 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.