CVE-2020-29159: Zammad

Medium severity, CVSS 4.9. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in Zammad before 3.5.1. The default signup Role (for newly created Users) can be a privileged Role, if configured by an admin. This behvaior was unintended.

Affected products

• Zammad Zammad: before 3.5.1 (fixed in 3.5.1)

Published 2020-12-28. Last modified 2026-06-17.