How severe is CVE-2022-36029?

CVE-2022-36029 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2022-36029 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36029?

CVE-2022-36029 affects Bigbluebutton Greenlight. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36029?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2022-36029 have an EU (EUVD) identifier?

Yes. CVE-2022-36029 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-38809.

When was CVE-2022-36029 published?

CVE-2022-36029 was published on 2024-04-25 and last updated on 2026-06-17.

CVE-2022-36029

CVE-2022-36029 is a critical-severity vulnerability in Bigbluebutton Greenlight with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-38809
Weakness: CWE-601
Affected product: Bigbluebutton Greenlight
Published: 2024-04-25
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-36029?: CVE-2022-36029 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2022-36029 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36029?: CVE-2022-36029 affects Bigbluebutton Greenlight. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36029?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2022-36029 have an EU (EUVD) identifier?: Yes. CVE-2022-36029 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-38809.
When was CVE-2022-36029 published?: CVE-2022-36029 was published on 2024-04-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bigbluebutton:greenlight:*:*:*:*:*:*:*:*

More vulnerabilities in Bigbluebutton Greenlight

CVE-2022-36028 — Critical (CVSS 9.1): Greenlight is an end-user interface for BigBlueButton servers. Versions prior to 2.13.0 have an open redirect…
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CVE-2022-26497 — Medium (CVSS 5.4): BigBlueButton Greenlight 2.11.1 allows XSS. A threat actor could have a username containing a JavaScript payload. The…
CVE-2022-31039 — Medium (CVSS 4.3): Greenlight is a simple front-end interface for your BigBlueButton server. In affected versions an attacker can view any…

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