Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-q5z8-n9t1-m7hb
Vulnerability ID VCID-q5z8-n9t1-m7hb
Aliases CVE-2012-3546
GHSA-jgm2-m5cg-f66g
Summary Authentication Bypass in Apache Tomcat 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.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-287 Improper Authentication
System Score Found at
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html
generic_textual MODERATE http://marc.info/?l=bugtraq&m=136612293908376&w=2
generic_textual MODERATE http://marc.info/?l=bugtraq&m=139344343412337&w=2
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0004.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0005.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0146.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0147.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0151.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0157.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0158.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0162.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0163.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0164.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0191.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0192.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0194.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0195.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0196.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0198.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0221.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0235.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0623.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0640.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0641.html
generic_textual MODERATE http://rhn.redhat.com/errata/RHSA-2013-0642.html
epss 0.02215 https://api.first.org/data/v1/epss?cve=CVE-2012-3546
apache_tomcat Important https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3546
generic_textual MODERATE https://github.com/apache/tomcat
generic_textual MODERATE https://github.com/apache/tomcat/commit/f78c0cdfc8a3c2efdfe6df6b69e5e3daafa3f588
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2012-3546
generic_textual MODERATE https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19305
generic_textual MODERATE https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1377892
generic_textual MODERATE http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/realm/RealmBase.java?r1=1377892&r2=1377891&pathrev=1377892
generic_textual MODERATE http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?r1=1377892&r2=1377891&pathrev=1377892
generic_textual MODERATE http://svn.apache.org/viewvc?view=revision&revision=1377892
generic_textual MODERATE http://tomcat.apache.org/security-6.html
generic_textual MODERATE http://tomcat.apache.org/security-7.html
Reference id Reference type URL
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
http://rhn.redhat.com/errata/RHSA-2013-0158.html
http://rhn.redhat.com/errata/RHSA-2013-0162.html
http://rhn.redhat.com/errata/RHSA-2013-0163.html
http://rhn.redhat.com/errata/RHSA-2013-0164.html
http://rhn.redhat.com/errata/RHSA-2013-0191.html
http://rhn.redhat.com/errata/RHSA-2013-0192.html
http://rhn.redhat.com/errata/RHSA-2013-0194.html
http://rhn.redhat.com/errata/RHSA-2013-0195.html
http://rhn.redhat.com/errata/RHSA-2013-0196.html
http://rhn.redhat.com/errata/RHSA-2013-0198.html
http://rhn.redhat.com/errata/RHSA-2013-0221.html
http://rhn.redhat.com/errata/RHSA-2013-0235.html
http://rhn.redhat.com/errata/RHSA-2013-0623.html
http://rhn.redhat.com/errata/RHSA-2013-0640.html
http://rhn.redhat.com/errata/RHSA-2013-0641.html
http://rhn.redhat.com/errata/RHSA-2013-0642.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2012-3546.json
https://api.first.org/data/v1/epss?cve=CVE-2012-3546
https://github.com/apache/tomcat
https://github.com/apache/tomcat/commit/f78c0cdfc8a3c2efdfe6df6b69e5e3daafa3f588
https://nvd.nist.gov/vuln/detail/CVE-2012-3546
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19305
https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1377892
https://svn.apache.org/viewvc?view=rev&rev=1377892
https://svn.apache.org/viewvc?view=rev&rev=1381035
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/realm/RealmBase.java?r1=1377892&r2=1377891&pathrev=1377892
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?r1=1377892&r2=1377891&pathrev=1377892
http://svn.apache.org/viewvc?view=revision&revision=1377892
http://tomcat.apache.org/security-6.html
http://tomcat.apache.org/security-7.html
883634 https://bugzilla.redhat.com/show_bug.cgi?id=883634
CVE-2012-3546 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3546
GLSA-201412-29 https://security.gentoo.org/glsa/201412-29
RHSA-2013:0004 https://access.redhat.com/errata/RHSA-2013:0004
RHSA-2013:0005 https://access.redhat.com/errata/RHSA-2013:0005
RHSA-2013:0146 https://access.redhat.com/errata/RHSA-2013:0146
RHSA-2013:0147 https://access.redhat.com/errata/RHSA-2013:0147
RHSA-2013:0151 https://access.redhat.com/errata/RHSA-2013:0151
RHSA-2013:0157 https://access.redhat.com/errata/RHSA-2013:0157
RHSA-2013:0158 https://access.redhat.com/errata/RHSA-2013:0158
RHSA-2013:0162 https://access.redhat.com/errata/RHSA-2013:0162
RHSA-2013:0163 https://access.redhat.com/errata/RHSA-2013:0163
RHSA-2013:0164 https://access.redhat.com/errata/RHSA-2013:0164
RHSA-2013:0235 https://access.redhat.com/errata/RHSA-2013:0235
RHSA-2013:0623 https://access.redhat.com/errata/RHSA-2013:0623
RHSA-2013:0640 https://access.redhat.com/errata/RHSA-2013:0640
RHSA-2013:0641 https://access.redhat.com/errata/RHSA-2013:0641
RHSA-2013:0642 https://access.redhat.com/errata/RHSA-2013:0642
USN-1685-1 https://usn.ubuntu.com/1685-1/
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.84744
EPSS Score 0.02215
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T09:41:28.774084+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-jgm2-m5cg-f66g/GHSA-jgm2-m5cg-f66g.json 38.6.0