The NPort 5100A Series firmware version v1.6 and prior versions are affected by web server vulnerability. The vulnerability is caused by not correctly neutralizing user-controllable input before placing it in output. Malicious users may use the vulnerability to get sensitive information and escalate privileges. 

The identified vulnerability type and potential impact are shown below:

Vulnerability Scoring Detail

Affected Products:

The affected products and firmware versions are shown below.

Solutions:

Moxa has developed appropriate solutions to address the vulnerability. The solutions for affected products are shown below.

Mitigation:

• Minimize network exposure to ensure the device is not accessible from the Internet.
• When remote access is required, use secure methods, such as Virtual Private Networks (VPNs).
• The starting point of all the above vulnerabilities is from the web service, so it is suggested to disable web service temporarily if you completed configuration to prevent further damages from these vulnerabilities until installed patch or updated firmware. 

Acknowledgment:

We would like to express our appreciation to Nicolai Grødum of PwC Norway for reporting the vulnerability, working with us to help enhance the security of our products, and helping us provide a better service to our customers.

Revision History: