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NPort 5000 Series Firmware Improper Validation of Integrity Check Vulnerability

Published: October 20, 2023

This Alert Is From MOXA

As Industrial IoT (IIoT) adoption continues to proliferate, cybersecurity has become one of the top priorities. The Moxa Product Security Incident Response Team (PSIRT) takes a proactive approach to protect products from cybersecurity vulnerabilities. Moxa PSIRT investigates all reports of vulnerabilities that could potentially affect Moxa products. Moxa created a vulnerability management policy to provide guidance and information to our customers in the event of a reported vulnerability. The management policy ensures that Moxa’s customers have steady, unambiguous resources to help them understand how Moxa resolves or mitigates reported vulnerabilities. For any queries, please email [email protected].

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. 
 

The identified vulnerability type and potential impact are shown below: 

Item Vulnerability Type Impact
1
Improper Validation of Integrity Check Value (CWE-354) 
CVE-2023-4929 
This vulnerability could allow an unauthorized attacker to gain control of a device. 

 

Vulnerability Scoring Details

ID CVSS V3.1 VECTOR REMOTE EXPLOIT WITHOUT AUTH?
CVE-2023-4929 6.5 AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H No

 

This alert has come from: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-233328-nport-5000-series-firmware-improper-validation-of-integrity-check-vulnerability