CVE-2021-32968: Moxa NPort IAW5000A-I/O Series Serial Device Server Classic Buffer Overflow

Published Apr 1, 2022
·
Updated

Two buffer overflows 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 cause a denial-of-service condition.

Affected Software

9 affected components
MOXA NPort IAW5000A-I/O Series firmware Version 2.2 or earlier
MOXA Nport Iaw5150a-6i\/o Firmware<=2.2
MOXA Nport Iaw5150a-6i\/o
MOXA Nport Iaw5150a-12i\/o Firmware<=2.2
MOXA Nport Iaw5150a-12i\/o
MOXA Nport Iaw5250a-6i\/o Firmware<=2.2
MOXA Nport Iaw5250a-6i\/o
MOXA Nport Iaw5250a-12i\/o Firmware<=2.2
MOXA Nport Iaw5250a-12i\/o

Remediation

Information

Moxa has developed solutions to address these vulnerabilities. Please contact Moxa Technical Support for a security patch. Moxa has also published a security advisory to provide more information.

Event History

Apr 1, 2022
CVE Published
via MITRE·10:17 PM
Data Sourced
via MITRE·10:17 PM
RemedyDescriptionSeverityWeakness
Aug 3, 2024
Data Sourced
via ICS·11:42 PM
SeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2021-32968?

CVE-2021-32968 is a vulnerability in the built-in web server in Moxa NPort IAW5000A-I/O Series firmware version 2.2 or earlier that may allow a remote attacker to cause a denial-of-service condition.

2

What is the severity of CVE-2021-32968?

CVE-2021-32968 has a severity rating of 7.5 (high).

3

What software is affected by CVE-2021-32968?

Moxa NPort IAW5000A-I/O Series firmware version 2.2 or earlier is affected by CVE-2021-32968.

4

How can a remote attacker exploit CVE-2021-32968?

A remote attacker can exploit CVE-2021-32968 by causing buffer overflows in the built-in web server of the vulnerable firmware.

5

Are there any fixes available for CVE-2021-32968?

It is recommended to update the Moxa NPort IAW5000A-I/O Series firmware to version 2.2 or later to fix CVE-2021-32968.

Contact

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