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CVE-2022-31039

20
FAUCET Score

CVE-2022-31039 is a medium-severity vulnerability affecting Greenlight, the front-end interface for BigBlueButton servers, allowing unauthorized users to view any room's settings. This information disclosure flaw has a CVSS score of 5.3, indicating a low impact on confidentiality with no integrity or availability compromise. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability. Organizations using Greenlight should update to version 2.12.6 or later to remediate this issue.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.12.6CPE matchmatch criteria
cpe:2.3:a:bigbluebutton:greenlight:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
47.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 30th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / bigbluebutton/greenlight/pull/3508
PatchThird Party Advisory
github.com / bigbluebutton/greenlight/security/advisories/GHSA-phh8-3v6v-7498
PatchThird Party Advisory