Improper input validation in Apache Tomcat
CVE-2011-1475
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."
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.087 (95.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.087 · newest: 0.087 · change: 0.000
Affected products
- Apache Tomcat — versions 7.0.0, 7.0.1, 7.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.vupen.com/english/advisories/2011/0894 (vdb-entry)
- www.securityfocus.com/bid/47199 (vdb-entry)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:12374 (signature, vdb-entry)
- securityreason.com/securityalert/8188 (third-party-advisory)
- tomcat.apache.org/security-7.html (Vendor Advisory)
- www.securitytracker.com/id (vdb-entry)
- issues.apache.org/bugzilla/show_bug.cgi
- www.securityfocus.com/archive/1/517363 (mailing-list)
- svn.apache.org/viewvc (Patch)
- svn.apache.org/viewvc (Patch)
Frequently asked questions
- What is CVE-2011-1475?
- CVE-2011-1475 is a vulnerability in Apache Tomcat, classified under Improper Input Validation. Published 2011-04-08.
- Is CVE-2011-1475 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.