An issue was discovered in Zammad 3.0 through 3.2.
Priority LOW 22CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
An issue was discovered in Zammad 3.0 through 3.2. After authentication, it transmits sensitive information to the user that may be compromised and used by an attacker to gain unauthorized access. Hashed passwords are returned to the user when visiting a certain URL.
Why it matters now
EPSS 0.00828 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:* | 1.0.0 – 3.2.0 | Vulnerable | Zammad GmbH |
- cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:* Versions 1.0.0 – 3.2.0 Vulnerable ·Zammad GmbH
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-10104
- 2026-10-03 Alias added: GHSA-w7g4-j46v-jj9q
References
More Zammad GmbH Zammad vulnerabilities
- TI-2026-65406 Local privilege escalation in Zammad v1.5.0 to v7.2.2 installed via DEB or RPM package KEVCVSS 4.0CRITICAL 9.4
- TI-2026-65405 Undisclosed RCE in Zammad v6.3 and higher KEVCVSS 4.0CRITICAL 9.4
- TI-2024-22252 An issue was discovered in Zammad before 6.3.0. CVSS 3.1CRITICAL 9.1
- TI-2022-23785 A vulnerability in Zammad v5.3.0 allows attackers to execute arbitrary code or escalate… CVSS 3.1CRITICAL 9.8
- TI-2021-18599 An issue was discovered in Zammad before 4.1.1. CVSS 3.1CRITICAL 9.8
- TI-2021-18603 An issue was discovered in Zammad before 4.1.1. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-10104 · CVE Program
- CVE-2020-10104 · NVD
- FIRST EPSS
- GHSA-w7g4-j46v-jj9q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences