CVE-2011-3376 Privilege escalation in n/a

What is CVE-2011-3376?

CVE-2011-3376 is a medium-severity vulnerability in Apache Tomcat, published on 11 Nov 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-264

Which versions are affected by CVE-2011-3376?

It affects 1 product.

Products include Apache Tomcat.

How do I fix CVE-2011-3376?

No fix has been published for CVE-2011-3376 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-3376 being exploited?

There is no known exploitation of CVE-2011-3376 in the wild and no public exploit code.

Other vulnerabilities in Apache Tomcat

• CVE-2025-24813 Apache Tomcat Path Equivalence Exploited Critical 10.0
• CVE-2016-8735 Apache Tomcat Remote Code Execution Exploited Critical 9.8
• CVE-2017-12617 Apache Tomcat Remote Code Execution Exploited High 8.1
• CVE-2017-12615 Apache Tomcat on Windows Remote Code Execution Exploited High 8.1
• CVE-2026-34486 Apache Tomcat Missing Encryption of Sensitive Data Exploited High 7.5

All Apache Tomcat vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cw29-r48c-h5f9.