CVE-2019-14930 : What You Need to Know

A vulnerability has been found in Mitsubishi Electric ME-RTU devices up to version 2.02 and INEA ME-RTU devices up to version 3.0, allowing unauthorized access to the RTU due to hardcoded user passwords.

Understanding CVE-2019-14930

This CVE identifies a security issue in Mitsubishi Electric ME-RTU and INEA ME-RTU devices that could lead to unauthorized access and privilege escalation.

What is CVE-2019-14930?

CVE-2019-14930 is a vulnerability in ME-RTU devices that contain hardcoded user passwords, potentially granting unauthorized access to the RTU.

The Impact of CVE-2019-14930

The vulnerability allows attackers to gain unauthorized access to the RTU and enables ineaadmin and mitsadmin accounts to elevate their privileges to root without a password.

Technical Details of CVE-2019-14930

This section provides more technical insights into the vulnerability.

Vulnerability Description

The devices contain undocumented user passwords hard-coded for root, ineaadmin, mitsadmin, and maint, allowing unauthorized access to the RTU.

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

Unauthorized access to the RTU due to hardcoded user passwords
Privilege escalation to root without a password for ineaadmin and mitsadmin accounts

Mitigation and Prevention

Protecting systems from CVE-2019-14930 is crucial for maintaining security.

Immediate Steps to Take

Change default passwords and implement strong, unique passwords
Regularly monitor and audit user accounts and access
Apply security patches and updates promptly

Long-Term Security Practices

Implement multi-factor authentication for enhanced security
Conduct regular security training for employees
Employ network segmentation to limit access

Patching and Updates

Update devices to patched versions that address the hardcoded password issue