CVE-2021-21406
Command Injection vulnerability in the Setup Wizard
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Command Injection vulnerability in the Setup Wizard
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.
- Record
CVE-2021-21406- CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N - Weakness
- CWE-77
- Updated
- 2026-11-02
EUVDEUVD-2021-8699
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.
- Record
EUVD-2021-8699- CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N - Updated
- 2026-11-03
NVD
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.
- Record
CVE-2021-21406- CVSS 3.1
- 5.8 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-77
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-21406- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21406 is a medium vulnerability (CVSS 5.8) in Combodo Itop, published July 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.03%, the 64th percentile. No source names a fixed version.