CVE-2019-9103 : Security Advisory and Response

A vulnerability has been identified in certain Moxa MGate devices, allowing unauthorized access to sensitive information.

Understanding CVE-2019-9103

What is CVE-2019-9103?

CVE-2019-9103 is a vulnerability found in specific Moxa MGate devices, including models MB3170, MB3270, MB3280, MB3480, MB3660, and MB3180, before certain versions.

The Impact of CVE-2019-9103

The vulnerability enables unauthorized attackers to access sensitive information, potentially leading to username disclosure attacks through the device's web service.

Technical Details of CVE-2019-9103

Vulnerability Description

An issue exists in Moxa MGate MB3170, MB3270, MB3280, MB3480, MB3660, and MB3180 devices before specific versions, allowing attackers to gain unauthorized access to sensitive data.

Affected Systems and Versions

MB3170 and MB3270 models before version 4.1
MB3280 and MB3480 models before version 3.1
MB3660 models before version 2.3
MB3180 models before version 2.1

Exploitation Mechanism

The vulnerability can be exploited through the device's built-in web service, enabling unauthorized access to sensitive information.

Mitigation and Prevention

Immediate Steps to Take

Update affected devices to the latest firmware versions provided by Moxa.
Implement network segmentation to restrict access to vulnerable devices.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all network-connected devices.
Conduct security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

Apply patches and updates released by Moxa to address the vulnerability and enhance the security of the affected devices.