CVE-2023-4204

Name: CVE-2023-4204
Creator: NVD / NIST
Published: 2023-08-16T16:15:11.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2023-4204 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. NPort IAW5000A-I/O Series firmware version v2.2 and prior is affected by a hardcoded credential vulnerabilitywhich poses a potential risk to the security and integrity of the affected device. This vulnerability is attributed to the presence of a hardcoded key, which could potentially facilitate firmware manipulation. . EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

NPort IAW5000A-I/O Series firmware version v2.2 and prior is affected by a hardcoded credential vulnerabilitywhich poses a potential risk to the security and integrity of the affected device. This vulnerability is attributed to the presence of a hardcoded key, which could potentially facilitate firmware manipulation.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.34%

25.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moxa	Nport Iaw5000a-I\/O Firmware	<= 2.2

References

Timeline

Published: Aug 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4204?

How severe is CVE-2023-4204?

CVE-2023-4204 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4204?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4204?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST