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CVE-2012-4431

22
FAUCET Score

CVE-2012-4431 describes a bypass vulnerability in the Cross-Site Request Forgery (CSRF) protection mechanism within Apache Tomcat versions 6.x prior to 6.0.36 and 7.x prior to 7.0.32. This flaw allows remote attackers to circumvent CSRF protection by submitting requests that lack a session identifier. The vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with medium complexity, requiring no authentication, and potentially leading to partial integrity impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0:*:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.0:alpha:*:*:*:*:*:*
6.0.1CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:*
6.0.1CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.1:alpha:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
9.15%
Probability of exploitation in next 30 days
EPSS Percentile
94.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0915 is in the 94th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (15)

mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 6.0.36
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 7.0.32
redhatpatch availablevia redhat_api
Product: JBoss Data Grid 6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 6.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 6 for RHEL 5Fixed in: jbossweb-0:7.0.17-4.Final_redhat_3.ep6.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 6 for RHEL 6Fixed in: jbossweb-0:7.0.17-4.Final_redhat_3.ep6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 5Fixed in: tomcat6-0:6.0.35-6_patch_06.ep6.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 5Fixed in: tomcat7-0:7.0.30-3_patch_02.ep6.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: tomcat6-0:6.0.35-29_patch_06.ep6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: tomcat7-0:7.0.30-5_patch_02.ep6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Operations Network 3.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Portal Platform 6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 2.0
View patch
redhatno patchvia redhat_api
Product: Red Hat JBoss Data Grid 6Fixed in: jbossweb
redhatno patchvia redhat_api
Product: Red Hat JBoss Portal 6Fixed in: jbossweb

Vendor Advisories (2)

mavenGHSA-76vr-72mv-mf3qmedium

Cross-Site Request Forgery in Apache Tomcat

May 17, 2022
redhatCVE-2012-4431Moderate

Tomcat/JBoss Web - Bypass of CSRF prevention filter

Dec 4, 2012

References

archives.neohapsis.com / archives/bugtraq/2012-12/0045.html
lists.opensuse.org / opensuse-updates/2012-12/msg00089.html
lists.opensuse.org / opensuse-updates/2012-12/msg00090.html
lists.opensuse.org / opensuse-updates/2013-01/msg00037.html
lists.opensuse.org / opensuse-updates/2013-01/msg00051.html
lists.opensuse.org / opensuse-updates/2013-01/msg00080.html
marc.info
marc.info
rhn.redhat.com / errata/RHSA-2013-0267.html
rhn.redhat.com / errata/RHSA-2013-0268.html
rhn.redhat.com / errata/RHSA-2013-0647.html
rhn.redhat.com / errata/RHSA-2013-0648.html
rhn.redhat.com / errata/RHSA-2013-1437.html
rhn.redhat.com / errata/RHSA-2013-1853.html
secunia.com / advisories/57126
h20566.www2.hp.com / portal/site/hpsc/public/kb/docDisplay
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18541
svn.apache.org / viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/filters/CsrfPreventionFilter.java
Patch
svn.apache.org / viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
Patch
svn.apache.org / viewvc
Patch
tomcat.apache.org / security-6.html
Vendor Advisory
tomcat.apache.org / security-7.html
Vendor Advisory
securityfocus.com / bid/56814
securitytracker.com / id
ubuntu.com / usn/USN-1685-1