CVE-2011-3348
UnknownEPSS 22.38%
Last modified
CVE-2011-3348 is a vulnerability of currently unknown severity. The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary "error state" in the backend server) via a malformed HTTP request.. EPSS estimates a 22.38% chance of exploitation in the next 30 days.
Description
The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary "error state" in the backend server) via a malformed HTTP request.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | >= 2.2.12, <= 2.2.20 |
| Redhat | Jboss Enterprise Web Server | 1.0.0 |
References
- http://community.jboss.org/message/625307Exploit, Third Party Advisory
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.htmlBroken Link, Mailing List
- http://marc.info/?l=bugtraq&m=131731002122529&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=132033751509019&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-0542.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-0543.htmlThird Party Advisory
- http://secunia.com/advisories/46013Not Applicable, Vendor Advisory
- http://support.apple.com/kb/HT5130Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-1391.htmlThird Party Advisory
- http://www.securityfocus.com/bid/49616Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1026054Broken Link, Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69804Third Party Advisory, VDB Entry
- http://community.jboss.org/message/625307Exploit, Third Party Advisory
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.htmlBroken Link, Mailing List
- http://marc.info/?l=bugtraq&m=131731002122529&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=132033751509019&w=2Issue Tracking, Mailing List, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-0542.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2012-0543.htmlThird Party Advisory
- http://secunia.com/advisories/46013Not Applicable, Vendor Advisory
- http://support.apple.com/kb/HT5130Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/cpujuly2013-1899826.htmlThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-1391.htmlThird Party Advisory
- http://www.securityfocus.com/bid/49616Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1026054Broken Link, Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69804Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-3348?
The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary "error state" in the backend server) via a malformed HTTP request.
How severe is CVE-2011-3348?
Severity scoring for CVE-2011-3348 is pending analysis. The EPSS model estimates a 22.38% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3348?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- 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.
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