CVE-2020-13667 : Vulnerability Insights and Analysis

Drupal Core Workspaces vulnerability allows unauthorized data access, posing a risk to affected versions.

Understanding CVE-2020-13667

Drupal Core vulnerability enables access bypass, potentially exposing sensitive data to unauthorized users.

What is CVE-2020-13667?

An access bypass flaw in Drupal Core Workspaces permits attackers to view data without proper permissions.
The vulnerability arises from inadequate permission checks during workspace transitions, leading to unauthorized data access.
Exploiting this issue could allow attackers to see content prematurely, compromising data confidentiality.

The Impact of CVE-2020-13667

Attackers can access data without correct permissions, potentially viewing content before it is intended to be public.
Sites with the experimental Workspaces module installed are vulnerable to this access bypass issue.

Technical Details of CVE-2020-13667

Drupal Core vulnerability details and affected systems.

Vulnerability Description

Access bypass vulnerability in Drupal Core Workspaces allows unauthorized data access.
The flaw stems from insufficient permission validation during workspace changes.

Affected Systems and Versions

Affected versions include Drupal Core 8.8.X prior to 8.8.10, 8.9.X prior to 8.9.6, and 9.0.X prior to 9.0.6.

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating workspace transitions to gain unauthorized data access.

Mitigation and Prevention

Protecting systems from CVE-2020-13667 and preventing unauthorized data access.

Immediate Steps to Take

Update Drupal Core to versions 8.8.10, 8.9.6, or 9.0.6 to mitigate the vulnerability.
Disable the Workspaces module if not essential to prevent potential access bypass.

Long-Term Security Practices

Regularly monitor and apply security updates to Drupal Core and its modules.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Install security patches provided by Drupal to address the access bypass vulnerability in Workspaces.