Is CVE-2020-27604 actively exploited?

CVE-2020-27604 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-27604?

CVE-2020-27604 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

How do I patch CVE-2020-27604?

Patch guidance is available from bigbluebutton security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-27604.

Which products are affected by CVE-2020-27604?

1 product: bigbluebutton bigbluebutton.

CVE-2020-27604 - remediation guidance & executive summary

Description

BigBlueButton before 2.3 does not implement LibreOffice sandboxing. This might make it easier for remote authenticated users to read the API shared secret in the bigbluebutton.properties file. With the API shared secret, an attacker can (for example) use api/join to join an arbitrary meeting regardless of its guestPolicy setting.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-116

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-2020-27604. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2020-27604

View on NIST NVD

CVE-2020-27604 vulnerability