Is CVE-2020-27612 actively exploited?

CVE-2020-27612 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-27612?

CVE-2020-27612 has a CVSS score of 4.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

How do I patch CVE-2020-27612?

Patch guidance is available from bigbluebutton security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-27612.

Which products are affected by CVE-2020-27612?

1 product: bigbluebutton bigbluebutton.

CVE-2020-27612 - remediation guidance & executive summary

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
Weaknesses: CWE-200 · Information Disclosure

Metadata

Primary Vendor: BIGBLUEBUTTON
Published: 10/21/2020
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

bigbluebutton : bigbluebutton

Remediation Guidance

Executive Summary

Cite this page

CVE-2020-27612. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2020-27612

View on NIST NVD

CVE-2020-27612 vulnerability