CVE-2021-44886: Zammad

Medium severity, CVSS 5.3. EPSS: 0.9% chance of exploitation in the next 30 days.

In Zammad 5.0.2, agents can configure "out of office" periods and substitute persons. If the substitute persons didn't have the same permissions as the original agent, they could receive ticket notifications for tickets that they have no access to.

Affected products

  • Zammad Zammad: version 5.0.2 only

Published 2022-02-04. Last modified 2026-06-17.