CVE-2021-42087
An issue was discovered in Zammad before 4.1.1. An admin can discover the application secret via...
An issue was discovered in Zammad before 4.1.1. An admin can discover the application secret via the API.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- 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. An admin can discover the application secret via the API.
- Record
CVE-2021-42087- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
An issue was discovered in Zammad before 4.1.1. An admin can discover the application secret via the API.
- Record
CVE-2021-42087- Updated
- 2026-11-02
EUVDEUVD-2021-29073 No score
An issue was discovered in Zammad before 4.1.1. An admin can discover the application secret via the API.
- Record
EUVD-2021-29073- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f497-m44x-hvvj
An issue was discovered in Zammad before 4.1.1. An admin can discover the application secret via...
An issue was discovered in Zammad before 4.1.1. An admin can discover the application secret via the API.
- Record
GHSA-f497-m44x-hvvj- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
OSV
An issue was discovered in Zammad before 4.1.1. An admin can discover the application secret via the API.
- Record
CVE-2021-42087- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/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-2021-42087 is a medium vulnerability (CVSS 4.9) in Zammad, published October 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. No source names a fixed version.