CVE-2021-32976

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Apr 1, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-32976: Critical severity, CVSS 9.8 | Vulnix