CVE-2011-1475

Description

The HTTP BIO connector in Apache Tomcat 7.0.x before 7.0.12 does not properly handle HTTP pipelining, which allows remote attackers to read responses intended for other clients in opportunistic circumstances by examining the application data in HTTP packets, related to "a mix-up of responses for requests from different users."

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 11.70% Top 10%
Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.vupen.com/english/advisories/2011/0894 vdb entry
http://www.securityfocus.com/bid/47199 vdb entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12374 vdb entry signature
http://securityreason.com/securityalert/8188 third party advisory
http://tomcat.apache.org/security-7.html vendor advisory
http://www.securitytracker.com/id?1025303 vdb entry
https://issues.apache.org/bugzilla/show_bug.cgi?id=50957
http://www.securityfocus.com/archive/1/517363 mailing list
http://svn.apache.org/viewvc?view=revision&revision=1086349 patch
http://svn.apache.org/viewvc?view=revision&revision=1086352 patch
http://seclists.org/fulldisclosure/2011/Apr/97 mailing list
https://exchange.xforce.ibmcloud.com/vulnerabilities/66676 vdb entry

Frequently Asked Questions

What is the severity of CVE-2011-1475?
CVE-2011-1475 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1475?
To fix CVE-2011-1475, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1475 being actively exploited in the wild?
It is possible that CVE-2011-1475 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.