Cyber Resilience

CVE-2021-32968

High

Published: 01 April 2022

Published
01 April 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0095 76.8th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-32968 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Moxa Nport Iaw5150A-6I\/O Firmware. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 23.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

moxa
nport iaw5150a-6i\/o firmware
≤ 2.2
moxa
nport iaw5150a-12i\/o firmware
≤ 2.2
moxa
nport iaw5250a-6i\/o firmware
≤ 2.2
moxa
nport iaw5250a-12i\/o firmware
≤ 2.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References