CVE-2011-3376: Apache Tomcat

Medium severity, CVSS 4.4. EPSS: 0.6% chance of exploitation in the next 30 days.

org/apache/catalina/core/DefaultInstanceManager.java in Apache Tomcat 7.x before 7.0.22 does not properly restrict ContainerServlets in the Manager application, which allows local users to gain privileges by using an untrusted web application to access the Manager application's functionality.

Affected products

• Apache Tomcat: version 7.0.0 only; version 7.0.1 only; version 7.0.2 only; version 7.0.3 only; version 7.0.4 only; version 7.0.5 only; …

Published 2011-11-11. Last modified 2026-06-16.