CVE-2019-14928 : Security Advisory and Response

Mitsubishi Electric ME-RTU and INEA ME-RTU devices up to specific versions are vulnerable to multiple security issues that allow attackers to inject malicious code.

Understanding CVE-2019-14928

What is CVE-2019-14928?

CVE-2019-14928 is a vulnerability found in Mitsubishi Electric ME-RTU and INEA ME-RTU devices that enables attackers to insert harmful code into the application.

The Impact of CVE-2019-14928

The vulnerability allows attackers to exploit stored cross-site scripting (XSS) vulnerabilities, potentially leading to unauthorized code execution.

Technical Details of CVE-2019-14928

Vulnerability Description

The issue affects Mitsubishi Electric ME-RTU devices up to version 2.02 and INEA ME-RTU devices up to version 3.0, allowing attackers to perform stored XSS attacks by injecting malicious code into the application.

Affected Systems and Versions

Mitsubishi Electric ME-RTU devices up to version 2.02
INEA ME-RTU devices up to version 3.0

Exploitation Mechanism

Attackers can exploit vulnerabilities in input variables like SerialInitialModemString in the index.php page to inject harmful code.

Mitigation and Prevention

Immediate Steps to Take

Update the affected devices to the latest patched versions.
Implement strict input validation to prevent malicious code injection.

Long-Term Security Practices

Regularly monitor and audit the devices for any unauthorized changes.
Educate users on safe browsing practices and potential security risks.

Patching and Updates

Apply security patches provided by Mitsubishi Electric and INEA to address the vulnerabilities.