CVE-2016-9371 Cross-site scripting in Moxa NPort

Medium 6.1 Published 13 Feb 2017 Updated 6 Aug 2024

Attackers can inject malicious scripts into the web interface of Moxa NPort devices, potentially compromising user sessions or device integrity.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2016-9371?

CVE-2016-9371 is a medium-severity cross-site scripting vulnerability in Moxa NPort, published on 13 Feb 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An issue was discovered in Moxa NPort 5110 versions prior to 2.6, NPort 5130/5150 Series versions prior to 3.6, NPort 5200 Series versions prior to 2.8, NPort 5400 Series versions prior to 3.11, NPort 5600 Series versions prior to 3.7, NPort 5100A Series & NPort P5150A versions prior to 1.3, NPort 5200A Series versions prior to 1.3, NPort 5150AI-M12 Series versions prior to 1.2, NPort 5250AI-M12 Series versions prior to 1.2, NPort 5450AI-M12 Series versions prior to 1.2, NPort 5600-8-DT Series versions prior to 2.4, NPort 5600-8-DTL Series versions prior to 2.4, NPort 6x50 Series versions prior to 1.13.11, NPort IA5450A versions prior to v1.4. User-controlled input is not neutralized before being output to web page (CROSS-SITE SCRIPTING).

Weakness: CWE-79

Which versions are affected by CVE-2016-9371?

It affects 10 products.

Products include Moxa Nport 5100 Series Firmware, Moxa Nport 5100a Series Firmware, Moxa Nport 5200 Series Firmware, Moxa Nport 5200a Series Firmware, Moxa Nport 5400 Series Firmware, Moxa Nport 5600-8-Dtl Series Firmware and 4 more.

How do I fix CVE-2016-9371?

No fix has been published for CVE-2016-9371 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2016-9371 being exploited?

There is no known exploitation of CVE-2016-9371 in the wild and no public exploit code.

Sources

Also known as GHSA-c5q7-cxvh-jfqf.