CVE-2021-32974 Moxa NPort IAW5000A-I/O Series Serial Device Server Improper Input Validation
Remote attackers can execute arbitrary commands on Moxa NPort IAW5000A-I/O devices due to improper input validation in the web server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-32974?
CVE-2021-32974 is a critical command injection vulnerability in Moxa NPort IAW5000A-I/O series firmware, published on 1 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper input validation in the built-in web server in Moxa NPort IAW5000A-I/O series firmware version 2.2 or earlier may allow a remote attacker to execute commands.
Which versions are affected by CVE-2021-32974?
It affects 4 products.
Products include Moxa Nport Iaw5150a-12i\/O Firmware, Moxa Nport Iaw5150a-6i\/O Firmware, Moxa Nport Iaw5250a-12i\/O Firmware, Moxa Nport Iaw5250a-6i\/O Firmware.
How do I fix CVE-2021-32974?
No fix has been published for CVE-2021-32974 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-32974 being exploited?
There is no known exploitation of CVE-2021-32974 in the wild and no public exploit code.
Other vulnerabilities in Moxa NPort IAW5000A-I/O series firmware
Sources
Also known as GHSA-w2p9-865g-3w64.