CVE-2018-5401 Explained : Impact and Mitigation

The Auto-Maskin DCU 210E, RP-210E, and Marine Pro Observer Android App have a security flaw where sensitive or security-critical data is transmitted without encryption, posing a risk of interception by unauthorized individuals.

Understanding CVE-2018-5401

This CVE involves the transmission of sensitive data without encryption in Auto-Maskin devices.

What is CVE-2018-5401?

The vulnerability allows unauthorized actors to intercept unencrypted Modbus communications, exposing process control information and potentially leading to the creation of deceptive messages.

The Impact of CVE-2018-5401

Confidentiality Impact: High
Integrity Impact: High
Base Score: 9.1 (Critical)
Attack Vector: Network
Attack Complexity: Low

Technical Details of CVE-2018-5401

Auto-Maskin devices are affected by this vulnerability due to unencrypted data transmission.

Vulnerability Description

Sensitive data is transmitted without encryption, allowing attackers to gain knowledge about configurations, settings, and sensor usage.

Affected Systems and Versions

Products: DCU-210E, RP-210E, Marine Pro Observer Android App
Versions: Prior to 3.7 on ARMv7

Exploitation Mechanism

Attackers with network access can intercept unencrypted Modbus communications to extract valuable information.

Mitigation and Prevention

Implementing security measures is crucial to mitigate the risks associated with CVE-2018-5401.

Immediate Steps to Take

Implement Modbus TCP Security Protocol with encryption and authentication

Long-Term Security Practices

Regularly update devices with the latest security patches
Conduct security audits to identify and address vulnerabilities

Patching and Updates

Ensure devices are updated to versions 3.7 or higher to address the vulnerability