CVE-2012-3546

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 12.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-12-19 · updated 2026-06-16
Weakness: CWE-264

Description

org/apache/catalina/realm/RealmBase.java in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.30, when FORM authentication is used, allows remote attackers to bypass security-constraint checks by leveraging a previous setUserPrincipal call and then placing /j_security_check at the end of a URI.

Affected products

Apache Tomcat: 6.0, 6.0.0, 6.0.0-alpha, 6.0.1, 6.0.1-alpha, 6.0.2 (+60)

References

http://archives.neohapsis.com/archives/bugtraq/2012-12/0044.html
http://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html
http://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html
http://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html
http://marc.info/?l=bugtraq&m=136612293908376&w=2
http://marc.info/?l=bugtraq&m=139344343412337&w=2
http://rhn.redhat.com/errata/RHSA-2013-0004.html
http://rhn.redhat.com/errata/RHSA-2013-0005.html
http://rhn.redhat.com/errata/RHSA-2013-0146.html
http://rhn.redhat.com/errata/RHSA-2013-0147.html
http://rhn.redhat.com/errata/RHSA-2013-0151.html
http://rhn.redhat.com/errata/RHSA-2013-0157.html

Get alerted when CVE-2012-3546 or the next vulnerability affects your stack