What is CVE-2022-31039?

CVE-2022-31039 is a medium-severity vulnerability in Bigbluebutton Greenlight, classified under Improper Privilege Management. CVSS score: 4.3/10. Published 2022-06-27.

How severe is CVE-2022-31039?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Bigbluebutton Greenlight

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.

Vulnerability class: Privilege Escalation

EPSS: 0.007 (47.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Bigbluebutton Greenlight — versions < 2.12.6

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-31039?: CVE-2022-31039 is a medium-severity vulnerability in Bigbluebutton Greenlight, classified under Improper Privilege Management. CVSS score: 4.3/10. Published 2022-06-27.
How severe is CVE-2022-31039?: Medium severity. CVSS v3 base score is 4.3 out of 10.