CVE-2020-10104: Zammad

Medium severity, CVSS 4.3. EPSS: 0.8% chance of exploitation in the next 30 days.

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.

Affected products

• Zammad Zammad: from 1.0.0, up to and including 3.2.0

Published 2020-03-05. Last modified 2026-06-17.