CVE-2020-14389 : Exploit Details and Defense Strategies

Keycloak Vulnerability

Understanding CVE-2020-14389

Keycloak before version 12.0.0 allowed unauthorized access to sensitive data.

What is CVE-2020-14389?

This CVE identifies a vulnerability in Keycloak that enabled users with limited permissions to access and modify data beyond their authorized scope.

The Impact of CVE-2020-14389

The vulnerability could lead to unauthorized access and modification of sensitive information, potentially compromising data integrity and confidentiality.

Technical Details of CVE-2020-14389

Keycloak Security Flaw

Vulnerability Description

Keycloak prior to version 12.0.0 granted excessive privileges to users with restricted roles, enabling them to manage resources in the new account console.

Affected Systems and Versions

Vendor: n/a
Product: Keycloak
Vulnerable Versions: Before version 12.0.0

Exploitation Mechanism

Unauthorized users with only view-profile role could exploit the flaw to access and manipulate data in the account console.

Mitigation and Prevention

Protecting Against CVE-2020-14389

Immediate Steps to Take

Upgrade Keycloak to version 12.0.0 or later to mitigate the vulnerability.
Monitor user activities for any unauthorized access.

Long-Term Security Practices

Implement the principle of least privilege to restrict user permissions.
Regularly review and update access controls to prevent similar incidents.

Patching and Updates

Apply security patches promptly to address known vulnerabilities and enhance system security.