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Zammad CVE-2021-42094

CRITICAL
Command Injection (CWE-77)
2021-10-07 cve@mitre.org
Command Injection Zammad
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Oct 07, 2021 - 20:15 nvd
CRITICAL 9.8

DescriptionNVD

An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages.

AnalysisAI

An issue was discovered in Zammad before 4.1.1. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages. Affected products include: Zammad. Version information: before 4.1.1..

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.

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Same weakness CWE-77 – Command Injection

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Same technique Command Injection

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CVE-2021-42094 vulnerability details – vuln.today
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