Is CVE-2023-42804 actively exploited?

CVE-2023-42804 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2023-42804?

CVE-2023-42804 has a CVSS score of 3.1 (LOW severity). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

How do I patch CVE-2023-42804?

Patch guidance is available from bigbluebutton security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-42804.

CVE-2023-42804 - remediation guidance & executive summary

Q: Which products are affected by CVE-2023-42804?

5 products: bigbluebutton bigbluebutton, bigbluebutton bigbluebutton, bigbluebutton bigbluebutton, bigbluebutton bigbluebutton, bigbluebutton bigbluebutton.

Description

BigBlueButton is an open-source virtual classroom. BigBlueButton prior to version 2.6.0-beta.1 has a path traversal vulnerability that allows an attacker with a valid starting folder path, to traverse and read other files without authentication, assuming the files have certain extensions (txt, swf, svg, png). In version 2.6.0-beta.1, input validation was added on the parameters being passed and dangerous characters are stripped. There are no known workarounds.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector: network
Complexity: high
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
Weaknesses: CWE-22 · Path Traversal

Metadata

Primary Vendor: BIGBLUEBUTTON
Published: 10/30/2023
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

bigbluebutton : bigbluebuttonbigbluebutton : bigbluebuttonbigbluebutton : bigbluebuttonbigbluebutton : bigbluebuttonbigbluebutton : bigbluebutton

Remediation Guidance

Executive Summary

Cite this page

CVE-2023-42804. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2023-42804

View on NIST NVD

CVE-2023-42804 vulnerability