CVE-2020-26136 Explained : Impact and Mitigation

SilverStripe through 4.6.0-rc1 has a vulnerability where GraphQL does not honor MFA with basic authentication.

Understanding CVE-2020-26136

In this CVE, a security issue in SilverStripe could potentially lead to a lack of multi-factor authentication enforcement when utilizing basic authentication.

What is CVE-2020-26136?

This CVE pertains to a specific vulnerability in SilverStripe versions up to 4.6.0-rc1, where the GraphQL feature fails to enforce multi-factor authentication (MFA) when basic authentication is used.

The Impact of CVE-2020-26136

The vulnerability could allow unauthorized access to sensitive information and compromise the security of SilverStripe websites and applications.

Technical Details of CVE-2020-26136

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue lies in the failure of SilverStripe's GraphQL functionality to properly enforce multi-factor authentication when basic authentication is employed.

Affected Systems and Versions

SilverStripe versions up to 4.6.0-rc1

Exploitation Mechanism

Attackers could exploit this vulnerability to bypass multi-factor authentication controls and gain unauthorized access to SilverStripe instances.

Mitigation and Prevention

Protecting systems from CVE-2020-26136 is crucial to maintaining security.

Immediate Steps to Take

Disable basic authentication if possible or implement additional security measures to compensate for the lack of MFA enforcement.
Monitor for any unauthorized access or suspicious activities on SilverStripe instances.

Long-Term Security Practices

Regularly update SilverStripe to the latest version to patch known vulnerabilities.
Implement strong authentication mechanisms and security best practices to enhance overall system security.

Patching and Updates

Apply patches and updates provided by SilverStripe promptly to address this vulnerability and enhance system security.