CVE-2017-9793: Apache Struts

High severity, CVSS 7.5. EPSS: 8.8% chance of exploitation in the next 30 days.

The REST Plugin in Apache Struts 2.1.x, 2.3.7 through 2.3.33 and 2.5 through 2.5.12 is using an outdated XStream library which is vulnerable and allow perform a DoS attack using malicious request with specially crafted XML payload.

Affected products

• Apache Struts: version 2.3.7 only; version 2.3.8 only; version 2.3.9 only; version 2.3.10 only; version 2.3.11 only; version 2.3.12 only; …

Published 2017-09-20. Last modified 2026-06-17.