CVE-2021-42094
An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages.
An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages.
- Record
CVE-2021-42094- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-77
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages.
- Record
CVE-2021-42094- Updated
- 2026-11-02
EUVDEUVD-2021-29080 No score
An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages.
- Record
EUVD-2021-29080- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w95f-296m-hvq7 No score
An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages.
An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages.
- Record
GHSA-w95f-296m-hvq7- Weakness
- CWE-77
- Updated
- 2026-11-02
OSV
An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages.
- Record
CVE-2021-42094- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42094 is a critical vulnerability (CVSS 9.8) in Zammad, published October 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.89%, the 79th percentile. No source names a fixed version.