CVE-2019-14929 : Exploit Details and Defense Strategies

A vulnerability has been identified in Mitsubishi Electric ME-RTU devices up to version 2.02 and INEA ME-RTU devices up to version 3.0. The vulnerability involves the storage of passwords in clear text, potentially enabling unauthorized access to configured username and password combinations on the RTU.

Understanding CVE-2019-14929

This CVE identifies a security issue in Mitsubishi Electric ME-RTU and INEA ME-RTU devices that could lead to unauthorized access due to weak credential management.

What is CVE-2019-14929?

This vulnerability allows unauthenticated attackers to obtain exposed password credentials, potentially compromising services like DDNS, Mobile Network Provider, and OpenVPN.

The Impact of CVE-2019-14929

The vulnerability poses a significant risk as attackers can gain unauthorized access to critical services by exploiting weak password storage.

Technical Details of CVE-2019-14929

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Stored cleartext passwords on the affected devices could be exploited by attackers to access username and password combinations, compromising the RTU's security.

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 gain unauthorized access by obtaining exposed password credentials, potentially compromising DDNS, Mobile Network Provider, and OpenVPN services.

Mitigation and Prevention

Protecting systems from CVE-2019-14929 requires immediate actions and long-term security practices.

Immediate Steps to Take

Change all default passwords on the affected devices immediately.
Implement strong password policies and encryption methods.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and security patches on the devices.
Conduct security audits and penetration testing to identify vulnerabilities.
Educate users on secure password practices and the importance of credential management.
Consider implementing multi-factor authentication for enhanced security.

Patching and Updates

Apply patches and updates provided by Mitsubishi Electric and INEA to address the vulnerability and enhance device security.