CVE-2018-11422 : Vulnerability Insights and Analysis

Before version 1.6 Build 17100315, the Moxa OnCell G3100-HSPA Series utilizes a unique configuration protocol that lacks necessary security measures, making it vulnerable to interception and unauthorized modifications.

Understanding CVE-2018-11422

What is CVE-2018-11422?

The Moxa OnCell G3100-HSPA Series, prior to version 1.6 Build 17100315, uses a proprietary configuration protocol that does not ensure confidentiality, integrity, and authenticity, allowing all information to be transmitted in clear, unprotected text.

The Impact of CVE-2018-11422

The vulnerability exposes transmitted data to interception and unauthorized modifications, enabling commands like device reboot, configuration downloads, and firmware upgrades without authentication.

Technical Details of CVE-2018-11422

Vulnerability Description

The Moxa OnCell G3100-HSPA Series lacks necessary security controls for confidentiality, integrity, and authenticity in its configuration protocol.

Affected Systems and Versions

Product: Moxa OnCell G3100-HSPA Series
Versions affected: Prior to version 1.6 Build 17100315

Exploitation Mechanism

All information transmitted through the protocol is in plain text, making it susceptible to interception and unauthorized modifications.

Mitigation and Prevention

Immediate Steps to Take

Update to version 1.6 Build 17100315 or later to address the security vulnerability.
Implement network segmentation to restrict access to vulnerable devices.

Long-Term Security Practices

Regularly monitor network traffic for any unauthorized access or modifications.
Train personnel on secure configuration practices and the importance of encryption.

Patching and Updates

Apply security patches and updates provided by Moxa to ensure the latest security measures are in place.