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CVE-2014-0227

25
FAUCET Score

CVE-2014-0227 describes a vulnerability in Apache Tomcat versions 6.x before 6.0.42, 7.x before 7.0.55, and 8.x before 8.0.9. The flaw in ChunkedInputFilter.java allows remote attackers to perform HTTP request smuggling or denial of service by sending malformed chunked transfer coding. With a CVSS score of 6.4 (medium severity), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to information disclosure and denial of service. Despite its high FAUCET Risk Score of 98/100 and elevated EPSS score, there is no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
6.0.0CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.0:alpha:*:*:*:*:*:*
6.0.1CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:*
6.0.1CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.1:alpha:*:*:*:*:*:*
6.0.2CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:P

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
21.04%
Probability of exploitation in next 30 days
EPSS Percentile
97.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2104 is in the 97th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 6.0.42
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 7.0.55
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 8.0.9

Vendor Advisories (1)

mavenGHSA-42j3-498q-m6vpmedium

Improper Input Validation in Apache Tomcat

May 14, 2022

References

advisories.mageia.org / MGASA-2015-0081.html
archives.neohapsis.com / archives/bugtraq/2015-02/0067.html
lists.fedoraproject.org / pipermail/package-announce/2015-February/150282.html
marc.info
marc.info
rhn.redhat.com / errata/RHSA-2015-0675.html
rhn.redhat.com / errata/RHSA-2015-0720.html
rhn.redhat.com / errata/RHSA-2015-0765.html
rhn.redhat.com / errata/RHSA-2015-0983.html
rhn.redhat.com / errata/RHSA-2015-0991.html
bugzilla.redhat.com / show_bug.cgi
lists.apache.org / thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E
lists.apache.org / thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E
source.jboss.org / changelog/JBossWeb
svn.apache.org / viewvc
tomcat.apache.org / security-6.html
Vendor Advisory
tomcat.apache.org / security-7.html
Vendor Advisory
tomcat.apache.org / security-8.html
Vendor Advisory
debian.org / security/2016/dsa-3447
debian.org / security/2016/dsa-3530
mandriva.com / security/advisories
mandriva.com / security/advisories
mandriva.com / security/advisories
oracle.com / technetwork/security-advisory/cpuoct2016-2881722.html
oracle.com / technetwork/topics/security/bulletinapr2015-2511959.html
oracle.com / technetwork/topics/security/cpujul2015-2367936.html
securityfocus.com / bid/72717
securitytracker.com / id/1032791
ubuntu.com / usn/USN-2654-1
ubuntu.com / usn/USN-2655-1