CVE-2020-28144 : Exploit Details and Defense Strategies

Certain Moxa Inc products are affected by an improper restriction of operations in EDR-G903 Series Firmware Version 5.5 or lower, EDR-G902 Series Firmware Version 5.5 or lower, and EDR-810 Series Firmware Version 5.6 or lower. Crafted requests sent to the device may allow remote arbitrary code execution.

Understanding CVE-2020-28144

This CVE involves a security vulnerability in Moxa Inc products that could potentially lead to remote arbitrary code execution.

What is CVE-2020-28144?

CVE-2020-28144 is a vulnerability in certain Moxa Inc products due to an improper restriction of operations in specific firmware versions. Attackers can exploit this flaw by sending crafted requests to the affected devices, potentially enabling remote arbitrary code execution.

The Impact of CVE-2020-28144

The impact of this vulnerability is significant as it allows attackers to execute arbitrary code remotely, potentially leading to unauthorized access, data breaches, and system compromise.

Technical Details of CVE-2020-28144

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from an improper restriction of operations in the firmware of EDR-G903 Series (Version 5.5 or lower), EDR-G902 Series (Version 5.5 or lower), and EDR-810 Series (Version 5.6 or lower) devices.

Affected Systems and Versions

EDR-G903 Series Firmware Version 5.5 or lower
EDR-G902 Series Firmware Version 5.5 or lower
EDR-810 Series Firmware Version 5.6 or lower

Exploitation Mechanism

Crafted requests sent to the affected devices can exploit this vulnerability, allowing malicious actors to execute arbitrary code remotely.

Mitigation and Prevention

Protecting systems from CVE-2020-28144 is crucial to maintaining security.

Immediate Steps to Take

Update the firmware of affected Moxa Inc products to versions that address this vulnerability.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Ensure timely installation of security patches and updates provided by Moxa Inc to mitigate the CVE-2020-28144 vulnerability.