CVE-2012-4387

Apache Struts 2.0.0 through 2.3.4 allows remote attackers to cause a denial of service (CPU consumption) via a long parameter name, which is processed as an OGNL expression.

• CWE-264

• http://secunia.com/advisories/50420Vendor Advisory
• http://struts.apache.org/2.x/docs/s2-011.htmlPatch, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2012/09/01/4
• http://www.openwall.com/lists/oss-security/2012/09/01/5
• http://www.securityfocus.com/bid/55346
• https://exchange.xforce.ibmcloud.com/vulnerabilities/78183
• https://issues.apache.org/jira/browse/WW-3860
• http://secunia.com/advisories/50420Vendor Advisory
• http://struts.apache.org/2.x/docs/s2-011.htmlPatch, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2012/09/01/4
• http://www.openwall.com/lists/oss-security/2012/09/01/5
• http://www.securityfocus.com/bid/55346
• https://exchange.xforce.ibmcloud.com/vulnerabilities/78183
• https://issues.apache.org/jira/browse/WW-3860

Published

Sep 5, 2012

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2012-4381MediaWiki before 1.18.5, and 1.19.x before 1.19.2 saves pass…8.1
• CVE-2012-4382MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not p…
• CVE-2012-4383contao prior to 2.11.4 has a sql injection vulnerability8.8
• CVE-2012-4384letodms has multiple XSS issues: Reflected XSS in Login Page…6.1
• CVE-2012-4385letodms 3.3.6 has CSRF via change password6.5
• CVE-2012-4386The token check mechanism in Apache Struts 2.0.0 through 2.3…
• CVE-2012-4388The sapi_header_op function in main/SAPI.c in PHP 5.4.0RC2 t…
• CVE-2012-4389Incomplete blacklist vulnerability in lib/migrate.php in own…
• CVE-2012-4390(1) apps/calendar/appinfo/remote.php and (2) apps/contacts/a…
• CVE-2012-4391Cross-site request forgery (CSRF) vulnerability in core/ajax…
• CVE-2012-4392index.php in ownCloud 4.0.7 does not properly validate the o…
• CVE-2012-4393Multiple cross-site request forgery (CSRF) vulnerabilities i…