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CVE-2023-33238— Command-injection Vulnerability in Certificate Management

Quick assessment

Affected
Moxa TN-5900 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 TN-4900是中国摩莎（MOXA）公司的一系列工业防火墙路由器。 MOXA TN-4900 v1.2.4 版本之前存在安全漏洞，该漏洞源于证书管理功能中的输入验证不足，这可能允许恶意用户在受影响的设备上执行远程代码。

CVSS 7.2 · High EPSS 0.82% · P54

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-33238

Vulnerability Information
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Vulnerability Title
Command-injection Vulnerability in Certificate Management
Source: CVE Program / CVE List V5
Vulnerability Description
TN-4900 Series firmware versions v1.2.4 and prior and TN-5900 Series firmware versions v3.3 and prior are vulnerable to the command injection vulnerability. This vulnerability stems from inadequate input validation in the certificate management function, which could potentially allow malicious users to execute remote code on affected devices.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
MOXA TN-4900 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MOXA TN-4900是中国摩莎（MOXA）公司的一系列工业防火墙路由器。 MOXA TN-4900 v1.2.4 版本之前存在安全漏洞，该漏洞源于证书管理功能中的输入验证不足，这可能允许恶意用户在受影响的设备上执行远程代码。
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 TN-5900 Series 1.0 ~ 3.3 -
Moxa TN-4900 Series 1.0 ~ 1.2.4 -
Moxa EDR-810 Series 1.0 ~ 5.12.27 -
Moxa EDR-G902 Series 1.0 ~ 5.7.17 -
Moxa EDR-G903 Series 1.0 ~ 5.7.15 -
Moxa EDR-G9010 Series 1.0 ~ 2.1 -
Moxa NAT-102 Series 1.0 ~ 1.0.3 -

II. Public POCs for CVE-2023-33238

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III. Intelligence Information for CVE-2023-33238

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Other References for CVE-2023-33238 (1)

Same Patch Batch · Moxa · 2023-08-17 · 8 CVEs total

CVE-2023-34213 8.8 HIGH Second Order Command-injection Vulnerability in the Key-generation Function
CVE-2023-33239 8.8 HIGH Second Order Command-injection Vulnerability in the Key-generation Function
CVE-2023-33237 8.8 HIGH Authentication Bypass Without Administrator Privilege
CVE-2023-34217 8.1 HIGH Second Order Command-injection Vulnerability in the Certificate-delete Function
CVE-2023-34216 8.1 HIGH Second Order Command-injection Vulnerability in the Key-delete Function
CVE-2023-34215 7.2 HIGH Second Order Command-injection Vulnerability in the Certificate-generation Function
CVE-2023-34214 7.2 HIGH Second Order Command-injection Vulnerability in the Certificate-generation Function

IV. Related Vulnerabilities

Same product: TN-5900 Series
Same vendor: Moxa
Same weakness: CWE-78

V. Comments for CVE-2023-33238

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