Itop
CVE-2021-21406
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could inject arbitrary commands into system command execution by sending crafted requests to the affected application. |
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Alert meAnalysisAI
Combodo iTop is an open source, web based IT Service Management tool. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. 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. Affected products include: Combodo Itop. Version information: prior to 2.7.4.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Affected Products (CPE)NVD
Combodo iTop is a web based IT Service Management tool. Rated high severity (CVSS 8.8), this vulnerability is remotely e
Command injection vulnerability in Combodo iTop 2.4.1 allows remote authenticated administrators to execute arbitrary co
ITOP v3.0.1 was discovered to contain a cross-site scripting (XSS) vulnerability via /itop/pages/ajax.render.php. Rated
ITOP v3.0.1 was discovered to contain a cross-site scripting (XSS) vulnerability via /itop/webservices/export-v2.php. Ra
Combodo iTop is a simple, web based IT Service Management tool. Rated medium severity (CVSS 5.8), this vulnerability is
Combodo iTop is an open source and web-based IT service management platform. Rated critical severity (CVSS 9.6), this vu
Unauthenticated code execution in Combodo iTop before 3.2.3 arises because remote users can delete the setup-generated .
Combodo iTop is a web based IT Service Management tool. Rated medium severity (CVSS 5.4), this vulnerability is remotely
Combodi iTop is a web based IT Service Management tool. Rated medium severity (CVSS 5.4), this vulnerability is remotely
Combodo iTop is a simple, web based IT Service Management tool. Rated medium severity (CVSS 5.3), this vulnerability is
Reflected XSS in Combodo iTop prior to version 3.2.3 allows an authenticated attacker to inject malicious scripts via th
Reflected XSS in Combodo iTop's foreign key search criteria API (all versions prior to 3.2.3) enables remote attackers t
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