How severe is CVE-2022-31039?

CVE-2022-31039 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-31039 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31039?

CVE-2022-31039 affects Bigbluebutton Greenlight. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-31039?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-31039 published?

CVE-2022-31039 was published on 2022-06-27 and last updated on 2026-06-17.

CVE-2022-31039

CVE-2022-31039 is a medium-severity vulnerability in Bigbluebutton Greenlight with a CVSS 3.x base score of 4.3. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Bigbluebutton Greenlight
Published: 2022-06-27
Last modified: 2026-06-17

Description

Greenlight is a simple front-end interface for your BigBlueButton server. In affected versions an attacker can view any room's settings even though they are not authorized to do so. Only the room owner and administrator should be able to view a room's settings. This issue has been patched in release version 2.12.6.

Frequently asked questions

What is CVE-2022-31039?: Greenlight is a simple front-end interface for your BigBlueButton server. In affected versions an attacker can view any room's settings even though they are not authorized to do so. Only the room owner and administrator should be able to view a room's settings. This issue has been patched in release version 2.12.6.
How severe is CVE-2022-31039?: CVE-2022-31039 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-31039 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31039?: CVE-2022-31039 affects Bigbluebutton Greenlight. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-31039?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-31039 published?: CVE-2022-31039 was published on 2022-06-27 and last updated on 2026-06-17.

References

Affected products (1)

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

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