CVE-2023-2060 : What You Need to Know

This CVE-2023-2060 focuses on an authentication bypass vulnerability found in the MELSEC iQ-R Series and iQ-F Series EtherNet/IP Modules manufactured by Mitsubishi Electric Corporation.

Understanding CVE-2023-2060

This vulnerability allows a remote unauthenticated attacker to access the module via FTP using dictionary attack or password sniffing due to weak password requirements in the FTP function.

What is CVE-2023-2060?

The CVE-2023-2060 vulnerability involves weak password requirements in the FTP function of Mitsubishi Electric Corporation's MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP. This flaw enables unauthorized access by exploiting authentication weaknesses.

The Impact of CVE-2023-2060

The impact of this vulnerability is categorized as an "Authentication Bypass," indicating a significant risk to confidentiality as it could allow unauthorized individuals to gain access to sensitive information or systems.

Technical Details of CVE-2023-2060

This section delves into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability stems from weak password requirements in the FTP function of the affected Mitsubishi Electric Corporation modules, facilitating unauthorized access to the module via FTP through dictionary attacks or password sniffing.

Affected Systems and Versions

The vulnerable systems include the MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP, with all versions being susceptible to this authentication bypass vulnerability.

Exploitation Mechanism

Remote unauthenticated attackers can exploit this weakness to gain unauthorized access to the impacted modules by employing dictionary attacks or password sniffing.

Mitigation and Prevention

To address CVE-2023-2060, immediate actions, long-term security practices, and the importance of patching and updates are crucial.

Immediate Steps to Take

Immediate steps involve assessing the impacted systems, changing default passwords, implementing strong password policies, monitoring FTP access, and limiting remote access to the modules.

Long-Term Security Practices

Long-term security practices should include regular security audits, vulnerability assessments, security awareness training, and keeping systems up-to-date with the latest security patches.

Patching and Updates

It is essential to apply any available security patches or updates provided by Mitsubishi Electric Corporation to remediate the CVE-2023-2060 vulnerability and enhance the overall security posture of the affected systems.