CVE-2020-6985 : What You Need to Know

A vulnerability in Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828 series firmware, Version 3.9 or lower, allows unauthorized access due to hard-coded service codes.

Understanding CVE-2020-6985

This CVE identifies a security issue in Moxa PT-7528 and PT-7828 series firmware versions.

What is CVE-2020-6985?

The vulnerability stems from the utilization of hard-coded service codes in the affected firmware versions, enabling unauthorized access to the console.

The Impact of CVE-2020-6985

The presence of hard-coded service codes poses a significant security risk as attackers can exploit them to gain unauthorized access to the affected devices.

Technical Details of CVE-2020-6985

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from the hardcoded service code used for console access in Moxa PT-7528 and PT-7828 series firmware.

Affected Systems and Versions

Moxa PT-7528 series firmware, Version 4.0 or lower
PT-7828 series firmware, Version 3.9 or lower

Exploitation Mechanism

Attackers can exploit the hard-coded service code to gain unauthorized access to the console of the affected devices.

Mitigation and Prevention

Protecting systems from CVE-2020-6985 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable remote access if not required
Implement strong, unique passwords for console access
Monitor and restrict network traffic to vulnerable devices

Long-Term Security Practices

Regularly update firmware to patched versions
Conduct security assessments and audits periodically
Educate users on secure practices and password management

Patching and Updates

Apply patches provided by Moxa to address the vulnerability