CVE-2021-32976

Moxa NPort IAW5000A-I/O Series Serial Device Server Stack-based Buffer Overflow

Description

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.

Remediation

Solution:

  • 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.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.36% Top 25%
Vendor Advisory moxa.com
Affected: Moxa NPort IAW5000A-I/O series firmware
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-32976?
CVE-2021-32976 has been scored as a critical severity vulnerability.
How to fix CVE-2021-32976?
To fix CVE-2021-32976: 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.
Is CVE-2021-32976 being actively exploited in the wild?
It is possible that CVE-2021-32976 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32976?
CVE-2021-32976 affects Moxa NPort IAW5000A-I/O series firmware.
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