CVE-2024-33667: Zammad

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue was discovered in Zammad before 6.3.0. An authenticated agent could perform a remote Denial of Service attack by calling an endpoint that accepts a generic method name, which was not properly sanitized against an allowlist.

Affected products

• Zammad Zammad: from 6.2.0, before 6.3.0 (fixed in 6.3.0); version 6.3.0 only

Published 2024-04-26. Last modified 2026-06-17.