CVE-2021-21406— Command Injection vulnerability in the Setup Wizard
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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
II. Public POCs for CVE-2021-21406
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- https://github.com/Combodo/iTop/security/advisories/GHSA-pf95-6h7q-q85xx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-21406
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
- CVE-2025-64167
Combodo iTop vulnerable to reflected XSS in webservices/expo - CVE-2025-49145
iTop admin can drop iTop database using webhooks - CVE-2025-48878
Combodo iTop vulnerable to IDOR with ModuleInstallation obje - CVE-2025-48065
Combodo iTop vulnerable to reflected XSS via objection editi - CVE-2025-48055
Combodo iTop has stored XSS in user portal's browse brick
Same vendor: Combodo
- CVE-2025-64167
Combodo iTop vulnerable to reflected XSS in webservices/expo - CVE-2025-49145
iTop admin can drop iTop database using webhooks - CVE-2025-48878
Combodo iTop vulnerable to IDOR with ModuleInstallation obje - CVE-2025-48065
Combodo iTop vulnerable to reflected XSS via objection editi - CVE-2025-48055
Combodo iTop has stored XSS in user portal's browse brick
Same weakness: CWE-77
- CVE-2026-8210
aandrew-me tgpt Update helper.go helper.Update command injec - CVE-2026-42258
net-imap: Command Injection via unvalidated Symbol inputs - CVE-2026-42453
Termix: Command injection in extractArchive/compressFiles vi - CVE-2026-42271
LiteLLM: Authenticated command execution via MCP stdio test - CVE-2026-41500
electerm has Command Injection Vulnerability via runMac func
V. Comments for CVE-2021-21406
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