CVE-2021-35302
Incorrect Access Control for linked Tickets in Zammad 1.0.x up to 4.0.0 allows remote attackers...
Incorrect Access Control for linked Tickets in Zammad 1.0.x up to 4.0.0 allows remote attackers to obtain 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
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.3
Incorrect Access Control for linked Tickets in Zammad 1.0.x up to 4.0.0 allows remote attackers to obtain sensitive information.
- Record
CVE-2021-35302- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
Incorrect Access Control for linked Tickets in Zammad 1.0.x up to 4.0.0 allows remote attackers to obtain sensitive information.
- Record
CVE-2021-35302- Updated
- 2026-11-02
EUVDEUVD-2021-21945 No score
Incorrect Access Control for linked Tickets in Zammad 1.0.x up to 4.0.0 allows remote attackers to obtain sensitive information.
- Record
EUVD-2021-21945- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x53g-gcp2-fp24
5.3
Incorrect Access Control for linked Tickets in Zammad 1.0.x up to 4.0.0 allows remote attackers...
Incorrect Access Control for linked Tickets in Zammad 1.0.x up to 4.0.0 allows remote attackers to obtain sensitive information.
- Record
GHSA-x53g-gcp2-fp24- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-668
- Updated
- 2026-11-02
OSV
5.3
Incorrect Access Control for linked Tickets in Zammad 1.0.x up to 4.0.0 allows remote attackers to obtain sensitive information.
- Record
CVE-2021-35302- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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-2021-35302 is a medium vulnerability (CVSS 5.3) in Zammad, published June 28, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.20%, the 68th percentile. No source names a fixed version.