CVE-2013-4221: Restlet

High severity, CVSS 7.5. EPSS: 3.4% chance of exploitation in the next 30 days.

The default configuration of the ObjectRepresentation class in Restlet before 2.1.4 deserializes objects from untrusted sources using the Java XMLDecoder, which allows remote attackers to execute arbitrary Java code via crafted XML.

Affected products

• Restlet Restlet: up to and including 2.1.3; version 2.1 only; version 2.1.0 only; version 2.1.1 only; version 2.1.2 only

Published 2013-10-10. Last modified 2026-06-16.