CVE-2021-42089
An issue was discovered in Zammad before 4.1.1. The REST API discloses sensitive information.
An issue was discovered in Zammad before 4.1.1. The REST API discloses sensitive information.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Zammad before 4.1.1. The REST API discloses sensitive information.
- Record
CVE-2021-42089- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Zammad before 4.1.1. The REST API discloses sensitive information.
- Record
CVE-2021-42089- Updated
- 2026-11-02
EUVDEUVD-2021-29075 No score
An issue was discovered in Zammad before 4.1.1. The REST API discloses sensitive information.
- Record
EUVD-2021-29075- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-72qg-c9gc-5qr4 No score
An issue was discovered in Zammad before 4.1.1. The REST API discloses sensitive information.
An issue was discovered in Zammad before 4.1.1. The REST API discloses sensitive information.
- Record
GHSA-72qg-c9gc-5qr4- Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
An issue was discovered in Zammad before 4.1.1. The REST API discloses sensitive information.
- Record
CVE-2021-42089- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - 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-2021-42089 is a high vulnerability (CVSS 7.5) in Zammad, published October 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.10%, the 65th percentile. No source names a fixed version.