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Vulnerabilities

Vulnerability · CVE-2009-3548

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…

Published Nov 12, 2009 · catalog updated Jun 16, 2026 · the affected product

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2009-3548 is not in CISA KEV. FIRST estimates a 79.00% chance of exploitation in the next 30 days. Check whether you run the affected product.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
79.00%
Remediation
Not established
Affected products
cpe apache/tomcat

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/tomcat3.0
  • cpe apache/tomcat3.1
  • cpe apache/tomcat3.1.1
  • cpe apache/tomcat3.2
  • cpe apache/tomcat3.2.1
  • cpe apache/tomcat3.2.2

How to fix CVE-2009-3548

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2009-3548 is not in CISA KEV. FIRST estimates a 79.00% chance of exploitation in the next 30 days. Check whether you run the affected product.

Which versions are affected?

Compare what you have installed with 3.0, 3.1, 3.1.1, 3.2, 3.2.1, 3.2.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-255. EPSS 79.00%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Technology hubs

Apache Tomcat security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 12, 2009 · Monitored products — critical

    Detected

    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.

  2. Jun 16, 2026 · Monitored products — critical

    Updated

    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.

Sources

  • FIRST EPSSExploitation probabilityCVE-2009-3548

    30-day exploitation probability 79.00%

    first.org
  • Monitored products — criticalVendor advisoryCVE-2009-3548

    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.

    nvd.nist.gov
  • Metasploit ModulesPublic exploit moduleauxiliary_scanner/http/tomcat_mgr_login

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/tomcat_mgr_deploy

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/tomcat_mgr_upload

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • Metasploit ModulesNov 3, 2026
  • Metasploit ModulesNov 3, 2026
  • Metasploit ModulesNov 3, 2026
  • Monitored products — criticalNov 3, 2026