CVE-2018-11426 Explained : Impact and Mitigation

A vulnerability in the web application of Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and earlier allows attackers to bypass authentication and gain unauthorized access.

Understanding CVE-2018-11426

This CVE involves a weakness in the Cookie parameter of the Moxa OnCell G3100-HSPA Series web application, enabling unauthorized access to the interface.

What is CVE-2018-11426?

The vulnerability in the web application of Moxa OnCell G3100-HSPA Series version 1.4 Build 16062919 and earlier allows attackers to exploit a weak Cookie parameter to bypass authentication and gain unauthorized access to the web interface.

The Impact of CVE-2018-11426

Exploiting this vulnerability enables attackers to access the web interface without proper authentication, potentially leading to unauthorized use of interface functionalities, except for changing the password.

Technical Details of CVE-2018-11426

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from the utilization of a weak Cookie parameter in the Moxa OnCell G3100-HSPA Series web application, allowing attackers to bypass authentication.

Affected Systems and Versions

Product: Moxa OnCell G3100-HSPA Series
Versions affected: 1.4 Build 16062919 and earlier

Exploitation Mechanism

Attackers can exploit the weak Cookie parameter to forcefully attempt various parameters, bypass authentication, and gain unauthorized access to the web interface.

Mitigation and Prevention

Protecting systems from CVE-2018-11426 requires immediate actions and long-term security practices.

Immediate Steps to Take

Monitor network traffic for any suspicious activities related to unauthorized access attempts.
Implement strong password policies and multi-factor authentication to enhance authentication security.
Regularly review and update access controls to restrict unauthorized access.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Stay informed about security updates and patches released by the vendor to mitigate known vulnerabilities.

Patching and Updates

Apply patches and updates provided by Moxa for the OnCell G3100-HSPA Series to address the vulnerability and enhance system security.