What is CVE-2020-27612?

CVE-2020-27612 is a medium-severity vulnerability in Bigbluebutton, classified under Information Disclosure. CVSS score: 4.3/10. Published 2020-10-21.

How severe is CVE-2020-27612?

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

Information disclosure in Bigbluebutton

CVE-2020-27612

Greenlight in BigBlueButton through 2.2.28 places usernames in room URLs, which may represent an unintended information leak to users in a room, or an information leak to outsiders if any user publishes a screenshot of a browser window.

Vulnerability class: Information Disclosure

EPSS: 0.007 (48.7th 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
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

cve@mitre.org (x_refsource_MISC, Not Applicable)

Frequently asked questions

What is CVE-2020-27612?: CVE-2020-27612 is a medium-severity vulnerability in Bigbluebutton, classified under Information Disclosure. CVSS score: 4.3/10. Published 2020-10-21.
How severe is CVE-2020-27612?: Medium severity. CVSS v3 base score is 4.3 out of 10.