CVE-2021-32976: Moxa NPort IAW5000A-I/O Series Serial Device Server Stack-based Buffer Overflow
Five 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 initiate a denial-of-service attack and execute arbitrary code.
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2021-32976?
The severity of CVE-2021-32976 is critical with a CVSS score of 9.8.
How can a remote attacker exploit CVE-2021-32976?
A remote attacker can exploit CVE-2021-32976 by sending specially crafted requests to the built-in web server in Moxa NPort IAW5000A-I/O series firmware version 2.2 or earlier.
What are the potential impacts of CVE-2021-32976?
CVE-2021-32976 may allow a remote attacker to initiate a denial-of-service attack and execute arbitrary code.
Which versions of Moxa NPort IAW5000A-I/O firmware are affected by CVE-2021-32976?
Moxa NPort IAW5000A-I/O firmware version 2.2 or earlier is affected by CVE-2021-32976.
How can I mitigate the vulnerability in Moxa NPort IAW5000A-I/O firmware?
To mitigate the vulnerability in Moxa NPort IAW5000A-I/O firmware, users should update to a version later than 2.2.