CVE-2020-25194 : Exploit Details and Defense Strategies

MOXA NPort IAW5000A-I/O Series is affected by a vulnerability related to improper privilege management in firmware version 2.1 or lower, potentially allowing attackers to gain administrative privileges.

Understanding CVE-2020-25194

This CVE involves a security issue in the MOXA NPort IAW5000A-I/O Series firmware that could lead to unauthorized privilege escalation.

What is CVE-2020-25194?

The vulnerability in the built-in WEB server of MOXA NPort IAW5000A-I/O firmware version 2.1 or lower allows attackers with user privileges to execute requests with administrative rights.

The Impact of CVE-2020-25194

The vulnerability has a high severity level with significant impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2020-25194

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from improper privilege management in the firmware, enabling unauthorized users to perform actions with elevated privileges.

Affected Systems and Versions

Product: NPort IAW5000A-I/O
Vendor: MOXA
Versions affected: <= Version 2.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Scope: Unchanged
CVSS Score: 8.8 (High)

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update the firmware to the latest version provided by MOXA.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and security patches.
Conduct security audits and assessments periodically.
Train employees on cybersecurity best practices.

Patching and Updates

MOXA has released an updated firmware version for the NPort IAW5000A-I/O Series. Users are advised to install this update on all affected systems.