TI-2022-16453 Aliases CVE-2022-36028

BigBlueButton Greenlight Open Redirect vulnerability

MEDIUM 47CWE-601Published 2024-04-25 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Spoofing
Confidentiality · integrity · availability: High · High · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-601.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00362 30th percentileScored 2026-11-07

Fix Fixed greenlight (bigbluebutton): 2.13.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
bigbluebutton	greenlight	before 2.13.0	2.13.0	Patch available	CNA

greenlight Vendorbigbluebutton Affected before 2.13.0 Fixed in 2.13.0 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:bigbluebutton:greenlight::::::::	before 2.13.0	Vulnerable	bigbluebutton

cpe:2.3:a:bigbluebutton:greenlight:*:*:*:*:*:*:*:* Versions before 2.13.0 Vulnerable ·bigbluebutton

Remediation

Fix · CNA greenlight (bigbluebutton) Fixed in 2.13.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2024-04-25
bigbluebutton greenlight 2.13.0
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2022-16454 BigBlueButton Greenlight Open Redirect vulnerabilityPriority MEDIUM 47
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2022-36028

References

Patch 1

https://github.com/bigbluebutton/greenlight/commit/20fe1ee71b5703fcc4ed698a959ad224fed19623

Advisory 1

https://huntr.com/bounties/ba5834bd-1f04-4936-8e93-2442d45403bahttps://

TI-2022-16454 BigBlueButton Greenlight Open Redirect vulnerability CVSS 3.1CRITICAL 9.1
TI-2020-15996 BigBlueButton Greenlight before 2.5.6 allows HTTP header (Host and Origin) attacks, which… CVSS 3.1HIGH 8.8
TI-2020-16758 A cross-site scripting (XSS) vulnerability exists in the 'merge account' functionality in… CVSS 3.1MEDIUM 6.1
TI-2022-09840 BigBlueButton Greenlight 2.11.1 allows XSS. CVSS 3.1MEDIUM 5.4
TI-2022-13084 Improper privilege management - Anyone can view room settings in GreenLight CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences