CVE-2009-3548 Hardcoded credentials in n/a

What is CVE-2009-3548?

CVE-2009-3548 is a high-severity vulnerability in Apache Tomcat, published on 12 Nov 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-255

Which versions are affected by CVE-2009-3548?

It affects 1 product.

Products include Apache Tomcat.

How do I fix CVE-2009-3548?

No fix has been published for CVE-2009-3548 yet. Limit exposure of the affected software until one is available.

Is CVE-2009-3548 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-3548 exists.

Public exploit code: 3 Metasploit modules and 2 Exploit-DB entries.

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-975h-h4pp-737q.