Is CVE-2020-27602 actively exploited?

CVE-2020-27602 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-27602?

CVE-2020-27602 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2020-27602?

Patch guidance is available from bigbluebutton security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-27602.

Which products are affected by CVE-2020-27602?

1 product: bigbluebutton bigbluebutton.

Fix CVE-2020-27602 - CRITICAL bigbluebutton bigbluebutton

Description

BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-74

Metadata

Primary Vendor: BIGBLUEBUTTON
Published: 9/29/2022
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-2020-27602. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2020-27602

View on NIST NVD

CVE-2020-27602 vulnerability