CVE-2021-33493: Open-Xchange Ox App Suite

Medium severity, CVSS 6.0. EPSS: 0.5% chance of exploitation in the next 30 days.

The middleware component in OX App Suite through 7.10.5 allows Code Injection via Java classes in a YAML format.

Affected products

• Open-Xchange Ox App Suite: up to and including 7.10.5

Published 2021-11-22. Last modified 2026-06-17.