CVE-2023-4929

Name: CVE-2023-4929
Creator: NVD / NIST
Published: 2023-10-03T14:15:11.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2023-4929 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. All firmware versions of the NPort 5000 Series are affected by an improper validation of integrity check vulnerability. This vulnerability results from insufficient checks on firmware updates or upgrades, potentially allowing malicious users to manipulate the firmware and gain control of devices. . EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

All firmware versions of the NPort 5000 Series are affected by an improper validation of integrity check vulnerability. This vulnerability results from insufficient checks on firmware updates or upgrades, potentially allowing malicious users to manipulate the firmware and gain control of devices.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.26%

17.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moxa	Nport 5150ai-M12-Ct-T Firmware	<= 1.5
Moxa	Nport 5250ai-M12-Ct-T Firmware	<= 1.5
Moxa	Nport 5150ai-M12-T Firmware	<= 1.5
Moxa	Nport 5250ai-M12-T Firmware	<= 1.5
Moxa	Nport 5450ai-M12-Ct-T Firmware	<= 1.5
Moxa	Nport 5150ai-M12 Firmware	<= 1.5
Moxa	Nport 5250ai-M12 Firmware	<= 1.5
Moxa	Nport 5150ai-M12-Ct Firmware	<= 1.5
Moxa	Nport 5250ai-M12-Ct Firmware	<= 1.5
Moxa	Nport 5450ai-M12-T Firmware	<= 1.5
Moxa	Nport 5450ai-M12 Firmware	<= 1.5
Moxa	Nport 5450ai-M12-Ct Firmware	<= 1.5
Moxa	Nport 5130 Firmware	<= 3.10
Moxa	Nport 5150 Firmware	<= 3.10
Moxa	Nport 5110 Firmware	<= 2.10
Moxa	Nport 5110-T Firmware	<= 2.10
Moxa	Nport 5110a Firmware	<= 1.6
Moxa	Nport 5110a-T Firmware	<= 1.6
Moxa	Nport 5130a Firmware	<= 1.6
Moxa	Nport 5130a-T Firmware	<= 1.6
Moxa	Nport 5150a Firmware	<= 1.6
Moxa	Nport 5150a-T Firmware	<= 1.6
Moxa	Nport 5210a Firmware	<= 1.6
Moxa	Nport 5210a-T Firmware	<= 1.6
Moxa	Nport 5230a Firmware	<= 1.6
Moxa	Nport 5230a-T Firmware	<= 1.6
Moxa	Nport 5250a Firmware	<= 1.6
Moxa	Nport 5250a-T Firmware	<= 1.6
Moxa	Nport 5210 Firmware	<= 2.12
Moxa	Nport 5232 Firmware	<= 2.12
Moxa	Nport 5210-T Firmware	<= 2.12
Moxa	Nport 5232-T Firmware	<= 2.12
Moxa	Nport 5230-T Firmware	<= 2.12
Moxa	Nport 5232i-T Firmware	<= 2.12
Moxa	Nport 5230 Firmware	<= 2.12
Moxa	Nport 5232i Firmware	<= 2.12
Moxa	Nport 5410 Firmware	>= 2.0, <= 2.9
Moxa	Nport 5410 Firmware	>= 3.2, <= 3.14
Moxa	Nport 5430 Firmware	>= 2.0, <= 2.9
Moxa	Nport 5430 Firmware	>= 3.2, <= 3.14
Moxa	Nport 5450 Firmware	<= 3.14
Moxa	Nport 5450i Firmware	<= 3.14
Moxa	Nport 5450-T Firmware	<= 3.14
Moxa	Nport 5450i-T Firmware	<= 3.14
Moxa	Nport 5610-8-48v Firmware	<= 3.11
Moxa	Nport 5630-16 Firmware	<= 3.11
Moxa	Nport 5630-8 Firmware	<= 3.11
Moxa	Nport 5650-8 Firmware	<= 3.11
Moxa	Nport 5610-16 Firmware	<= 3.11
Moxa	Nport 5650-8-M-Sc Firmware	<= 3.11

Showing 50 of 128 affected configurations. See NVD for the full list.

References

Timeline

Published: Oct 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4929?

How severe is CVE-2023-4929?

CVE-2023-4929 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4929?

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-2023-4929?

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

Scan your code now

Source: NVD / NIST