CVE-2021-38458 : Security Advisory and Response

A path traversal vulnerability in the Moxa MXview Network Management Software Versions 3.x to 3.2.2 has been identified, potentially allowing attackers to create or modify critical files leading to code execution.

Understanding CVE-2021-38458

This CVE pertains to a path traversal vulnerability found in Moxa's MXview Network Management Software.

What is CVE-2021-38458?

The vulnerability in Moxa MXview Network Management Software Versions 3.x to 3.2.2 enables threat actors to manipulate essential files and execute malicious code.

The Impact of CVE-2021-38458

The impact of this critical vulnerability is designated by a CVSS v3.1 base score of 9.8, signifying high severity. It poses a significant risk to confidentiality, integrity, and availability.

Technical Details of CVE-2021-38458

This section covers specific technical details of the CVE.

Vulnerability Description

The vulnerability allows unauthorized users to perform path traversal attacks, potentially resulting in unauthorized access or code execution.

Affected Systems and Versions

The affected product is the MXview Network Management Software by Moxa, specifically Versions 3.x to 3.2.2.

Exploitation Mechanism

By exploiting this vulnerability, attackers can create or manipulate critical files, which can then be exploited for executing malicious code.

Mitigation and Prevention

Protecting your systems from CVE-2021-38458 is crucial.

Immediate Steps to Take

Users are advised to upgrade to software version 3.2.4 or higher. Additionally, changing Windows passwords regularly and utilizing a firewall are recommended security measures.

Long-Term Security Practices

For long-term security, it is crucial to follow best security practices, including regular software updates, network segmentation, and the principle of least privilege.

Patching and Updates

Regularly check for security updates and patches released by Moxa to address this vulnerability and enhance system security.