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CVE-2020-8858

Quick assessment

Affected
Moxa MGate 5105-MB-EIP
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

使用4.1版本固件的Moxa MGate 5105-MB-EIP中的MainPing.asp文件的‘DestIP’参数存在操作系统命令注入漏洞，该漏洞源于在使用用户提交的字符串来执行系统调用之前，程序没有进行正确的验证。远程攻击者可利用该漏洞执行任意代码。

AI Predicted 8.1 Difficulty: Easy EPSS 8.58% · P95

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-8858

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Moxa MGate 5105-MB-EIP firmware version 4.1. Authentication is required to exploit this vulnerability. The specific flaw exists within the DestIP parameter within MainPing.asp. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-9552.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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 MGate 5105-MB-EIP 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
使用4.1版本固件的Moxa MGate 5105-MB-EIP中的MainPing.asp文件的‘DestIP’参数存在操作系统命令注入漏洞，该漏洞源于在使用用户提交的字符串来执行系统调用之前，程序没有进行正确的验证。远程攻击者可利用该漏洞执行任意代码。
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 MGate 5105-MB-EIP firmware version 4.1 -

II. Public POCs for CVE-2020-8858

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III. Intelligence Information for CVE-2020-8858

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Vendor Advisories for CVE-2020-8858 (1)

Other References for CVE-2020-8858 (1)

IV. Related Vulnerabilities

Same vendor: Moxa
Same weakness: CWE-78

V. Comments for CVE-2020-8858

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