CVE-2024-38518

June 28, 2024, 9:15 p.m.

CVSS Score

4.6 / 10

Product(s) Impacted

BigBlueButton

  • 2.6.18
  • 2.7.8
  • 3.0.0-alpha.7

Description

BigBlueButton is an open-source virtual classroom designed to help teachers teach and learners learn. An attacker with a valid join link to a meeting can trick BigBlueButton into generating a signed join link with additional parameters. One of those parameters may be "role=moderator", allowing an attacker to join a meeting as moderator using a join link that was originally created for viewer access. This vulnerability has been patched in version(s) 2.6.18, 2.7.8 and 3.0.0-alpha.7.

Weaknesses

CWE-284
Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CWE ID: 284

Date

Published: June 28, 2024, 9:15 p.m.

Last Modified: June 28, 2024, 9:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security-advisories@github.com

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

LOW

Base Score
4.6
Exploitability Score
2.1
Impact Score
2.5
Base Severity
MEDIUM
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L

References