CVE-2019-8116 Explained : Impact and Mitigation

Magento 2 versions prior to 2.2.10 and 2.3 versions prior to 2.3.3 or 2.3.2-p1 are affected by an insecure authentication and session management vulnerability that could lead to unauthorized access.

Understanding CVE-2019-8116

This CVE relates to a security flaw in Magento 2 that allows unauthenticated users to exploit session management.

What is CVE-2019-8116?

The vulnerability in Magento 2 versions prior to 2.2.10 and 2.3 versions prior to 2.3.3 or 2.3.2-p1 enables unauthorized access to customer accounts.

The Impact of CVE-2019-8116

The vulnerability allows unauthenticated users to gain unauthorized access to customer account index pages, compromising sensitive information.

Technical Details of CVE-2019-8116

Magento 2 is susceptible to insecure authentication and session management issues.

Vulnerability Description

The flaw allows unauthenticated users to exploit a guest session id value after a successful login to access customer account index pages.

Affected Systems and Versions

Product: Magento 2
Vendor: Adobe Systems Incorporated
Affected Versions:
Magento 2.2 prior to 2.2.10
Magento 2.3 prior to 2.3.3 or 2.3.2-p1

Exploitation Mechanism

The vulnerability arises from inadequate session handling, enabling unauthorized access to customer accounts.

Mitigation and Prevention

Immediate Steps to Take:

Apply the security update provided by Magento for versions 2.2.10 and 2.3.3.
Monitor customer account activities for any unauthorized access. Long-Term Security Practices:
Implement multi-factor authentication for enhanced security.
Regularly audit and review session management practices.
Educate users on secure login practices.

Patching and Updates

Ensure all Magento installations are updated to versions 2.2.10 and 2.3.3 to mitigate the vulnerability.