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CVE-2021-21406— Command Injection vulnerability in the Setup Wizard

Quick assessment

Affected
Combodo iTop
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.

Combodo iTop是法国Combodo公司的一套基于ITIL开发且用于IT环境日常运营的开源Web应用程序。该程序提供事件管理、配置管理和问题管理等功能。 Combodo iTop 中存在命令注入漏洞，该漏洞源于产品的安装向导中未能过滤其中的特殊字符。以下产品及版本受到影响：Combodo iTop 2.7.4 之前版本。

CVSS 5.8 · Medium EPSS 1.03% · P61

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-21406

Vulnerability Information
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Vulnerability Title
Command Injection vulnerability in the Setup Wizard
Source: CVE Program / CVE List V5
Vulnerability Description
Combodo iTop is an open source, web based IT Service Management tool. In versions prior to 2.7.4, there is a command injection vulnerability in the Setup Wizard when providing Graphviz executable path. The vulnerability is patched in version 2.7.4 and 3.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Combodo iTop 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Combodo iTop是法国Combodo公司的一套基于ITIL开发且用于IT环境日常运营的开源Web应用程序。该程序提供事件管理、配置管理和问题管理等功能。 Combodo iTop 中存在命令注入漏洞，该漏洞源于产品的安装向导中未能过滤其中的特殊字符。以下产品及版本受到影响：Combodo iTop 2.7.4 之前版本。
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
Combodo iTop < 2.7.4 -

II. Public POCs for CVE-2021-21406

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III. Intelligence Information for CVE-2021-21406

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Vendor Advisories for CVE-2021-21406 (1)

Same Patch Batch · Combodo · 2021-07-21 · 4 CVEs total

CVE-2021-21407 8.0 HIGH Portal : the CSRF token isn't validated
CVE-2021-32775 7.7 HIGH Any user can see any fields (including mailbox password) with GroupBy Dashlet
CVE-2021-32776 6.8 MEDIUM No CSRF form token cleanup on Windows servers

IV. Related Vulnerabilities

Same product: iTop
Same vendor: Combodo
Same weakness: CWE-77

V. Comments for CVE-2021-21406

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