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CVE-2023-4929— NPort 5000 Series Firmware Improper Validation of Integrity Check Vulnerability

Quick assessment

Affected
Moxa NPort 5000AI-M12 Series
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MOXA NPort 5000 Series是中国摩莎（MOXA）公司的一系列通用设备服务器。 MOXA NPort 5000 Series 存在安全漏洞，该漏洞源于对固件更新或升级检查不足，导致攻击者可以操纵固件并控制设备。

CVSS 6.5 · Medium EPSS 0.31% · P23

Possible ATT&CK Techniques 1 AI

T1195.002 · Compromise Software Supply Chain
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I. Basic Information for CVE-2023-4929

Vulnerability Information
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Vulnerability Title
NPort 5000 Series Firmware Improper Validation of Integrity Check Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
完整性检查值验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
MOXA NPort 5000 Series 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MOXA NPort 5000 Series是中国摩莎（MOXA）公司的一系列通用设备服务器。 MOXA NPort 5000 Series 存在安全漏洞，该漏洞源于对固件更新或升级检查不足，导致攻击者可以操纵固件并控制设备。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Moxa NPort 5000AI-M12 Series 1.0 ~ 1.5 -
Moxa NPort 5100 Series 1.0 ~ 3.10 -
Moxa NPort 5100A Series 1.0 ~ 1.6 -
Moxa NPort 5200 Series 1.0 ~ 2.12 -
Moxa NPort 5200A Series 1.0 ~ 1.6 -
Moxa NPort 5400 Series 1.0 ~ 3.14 -
Moxa NPort 5600 Series 1.0 ~ 3.11 -
Moxa NPort 5600-DT Series 1.0 ~ 2.9 -
Moxa NPort IA5000 Series 1.0 ~ 2.1 -
Moxa NPort IA5000A Series 1.0 ~ 2.0 -
Moxa NPort IA5000A-I/O Series 1.0 ~ 2.0 -
Moxa NPort IAW5000A-I/O Series 1.0 ~ 2.2 -
Moxa NPort P5150A Series 1.0 ~ 1.6 -

II. Public POCs for CVE-2023-4929

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III. Intelligence Information for CVE-2023-4929

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Other References for CVE-2023-4929 (1)

IV. Related Vulnerabilities

Same product: NPort 5000AI-M12 Series
Same vendor: Moxa
Same weakness: CWE-354

V. Comments for CVE-2023-4929

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