CVE-2020-27149 : Exploit Details and Defense Strategies

A vulnerability in NPort IA5150A/IA5250A Series allows a user with 'Read Only' privilege to alter device configurations via the web console.

Understanding CVE-2020-27149

This CVE involves improper access control in specific NPort device series.

What is CVE-2020-27149?

CVE-2020-27149 is a vulnerability that enables unauthorized users to modify device configurations through the web console.

The Impact of CVE-2020-27149

Exploiting this vulnerability can lead to unauthorized changes in device settings, potentially compromising the device's security and functionality.

Technical Details of CVE-2020-27149

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in NPort IA5150A/IA5250A Series allows users with 'Read Only' privileges to send requests via the web console to change device configurations.

Affected Systems and Versions

NPort IA5000A Series with web console enabled
Versions affected: All versions before 1.5 for NPort IA5150A/IA5250A Series and all versions before 2.0 for NPort 5450 Series

Exploitation Mechanism

Unauthorized users with 'Read Only' privilege can exploit the vulnerability by sending requests through the web console to alter device configurations.

Mitigation and Prevention

Protect your systems from CVE-2020-27149 with these mitigation strategies.

Immediate Steps to Take

Update affected NPort IA5150A/IA5250A Series devices to version 1.5 or higher.
Restrict access to the web console to authorized users only.

Long-Term Security Practices

Regularly review and update access control policies.
Conduct security training for users to prevent unauthorized access.

Patching and Updates

Apply patches provided by the vendor to address the vulnerability and enhance system security.