CVE-2013-2067

CVE-2013-2067 is a medium-severity vulnerability in Apache Tomcat with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.8)
• EPSS exploit prediction: 7% (94th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-287
• Affected product: Apache Tomcat
• Published: 2013-06-01
• Last modified: 2026-06-16

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.

Frequently asked questions

What is 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 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.

How severe is CVE-2013-2067?

CVE-2013-2067 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2013-2067 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2067?

CVE-2013-2067 primarily affects Apache Tomcat. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-2067?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-2067 published?

CVE-2013-2067 was published on 2013-06-01 and last updated on 2026-06-16.

References

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

Affected products (43)

• cpe:2.3:a:apache:tomcat:6.0.21:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.24:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.26:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.27:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.28:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.29:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.30:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.31:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.32:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.33:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.35:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.36:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.0:beta:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.2:beta:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.4:beta:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.17:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.18:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.19:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.20:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.21:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.22:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.23:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.25:*:*:*:*:*:*:*

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