#VU81458 Improper validation of integrity check value in Moxa products - CVE-2023-4929

Vulnerability identifier: #VU81458

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2023-4929

CWE-ID: CWE-354

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
NPort 5000AI-M12 Series
NPort 5100A Series
NPort 5200 Series
NPort 5200A Series
NPort 5410
NPort 5430
NPort 5450
NPort 5600 Series
NPort 5600-DT Series
NPort IA5000 Series
NPort IA5450A Series
NPort IA5150A
NPort IA5250A
NPort IA5000A-I/O Series
NPort P5150A Series
NPort 5130
NPort 5150
NPort 5110
NPort IAW5000A-I/O Series

Software vendor:
Moxa

The vulnerability allows a remote user to bypass integrity checks.

The vulnerability exists due to improper validation of integrity check. A remote authenticated administrator can manipulate the firmware and gain control of devices.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

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