CVE-2009-3548: Apache Tomcat

High severity, CVSS 7.5. EPSS: 79% chance of exploitation in the next 30 days.

The Windows installer for Apache Tomcat 6.0.0 through 6.0.20, 5.5.0 through 5.5.28, and possibly earlier versions uses a blank default password for the administrative user, which allows remote attackers to gain privileges.

Affected products

• Apache Tomcat: version 3.0 only; version 3.1 only; version 3.1.1 only; version 3.2 only; version 3.2.1 only; version 3.2.2 only; …

Published 2009-11-12. Last modified 2026-06-16.