CVE-2011-3190

CVE-2011-3190 is a high-severity vulnerability in Apache Tomcat with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-264.

Key facts

• Severity: High (CVSS 2.0 base score 7.5)
• EPSS exploit prediction: 15% (96th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-264
• Affected product: Apache Tomcat
• Published: 2011-08-31
• Last modified: 2026-06-16

Description

Certain AJP protocol connector implementations in Apache Tomcat 7.0.0 through 7.0.20, 6.0.0 through 6.0.33, 5.5.0 through 5.5.33, and possibly other versions allow remote attackers to spoof AJP requests, bypass authentication, and obtain sensitive information by causing the connector to interpret a request body as a new request.

Frequently asked questions

What is CVE-2011-3190?

Certain AJP protocol connector implementations in Apache Tomcat 7.0.0 through 7.0.20, 6.0.0 through 6.0.33, 5.5.0 through 5.5.33, and possibly other versions allow remote attackers to spoof AJP requests, bypass authentication, and obtain sensitive information by causing the connector to interpret a request body as a new request.

How severe is CVE-2011-3190?

CVE-2011-3190 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2011-3190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3190?

CVE-2011-3190 primarily affects Apache Tomcat. In total, 85 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3190?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2011-3190 published?

CVE-2011-3190 was published on 2011-08-31 and last updated on 2026-06-16.

References

• http://marc.info/?l=bugtraq&m=132215163318824&w=2
• http://marc.info/?l=bugtraq&m=133469267822771&w=2
• http://marc.info/?l=bugtraq&m=136485229118404&w=2
• http://marc.info/?l=bugtraq&m=139344343412337&w=2
• http://secunia.com/advisories/45748
• http://secunia.com/advisories/48308
• http://secunia.com/advisories/49094
• http://secunia.com/advisories/57126
• http://securityreason.com/securityalert/8362
• http://www.debian.org/security/2012/dsa-2401
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:156
• http://www.securityfocus.com/archive/1/519466/100/0/threaded
• http://www.securityfocus.com/bid/49353
• http://www.securitytracker.com/id?1025993
• https://exchange.xforce.ibmcloud.com/vulnerabilities/69472
• https://issues.apache.org/bugzilla/show_bug.cgi?id=51698
• https://lists.apache.org/thread.html/06cfb634bc7bf37af7d8f760f118018746ad8efbd519c4b789ac9c2e%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/8dcaf7c3894d66cb717646ea1504ea6e300021c85bb4e677dc16b1aa%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/r3aacc40356defc3f248aa504b1e48e819dd0471a0a83349080c6bcbf%40%3Cdev.tomcat.apache.org%3E
• https://lists.apache.org/thread.html/r584a714f141eff7b1c358d4679288177bd4ca4558e9999d15867d4b5%40%3Cdev.tomcat.apache.org%3E
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14933
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19465

Affected products (85)

• 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:7.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.4:*:*:*:*:*:*:*
• 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:7.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.17:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.19:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:7.0.20:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.10:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.13:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.15:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.16:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.17:*:*:*:*:*:*:*
• cpe:2.3:a:apache:tomcat:6.0.18:*:*:*:*:*:*:*

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