CVE-2014-0227
CVE-2014-0227 is a medium-severity vulnerability in Apache Tomcat with a CVSS 2.0 base score of 6.4. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-19.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.4)
- EPSS exploit prediction: 21% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-19
- Affected product: Apache Tomcat
- Published:
- Last modified:
Description
java/org/apache/coyote/http11/filters/ChunkedInputFilter.java in Apache Tomcat 6.x before 6.0.42, 7.x before 7.0.55, and 8.x before 8.0.9 does not properly handle attempts to continue reading data after an error has occurred, which allows remote attackers to conduct HTTP request smuggling attacks or cause a denial of service (resource consumption) by streaming data with malformed chunked transfer coding.
Frequently asked questions
- What is CVE-2014-0227?
- java/org/apache/coyote/http11/filters/ChunkedInputFilter.java in Apache Tomcat 6.x before 6.0.42, 7.x before 7.0.55, and 8.x before 8.0.9 does not properly handle attempts to continue reading data after an error has occurred, which allows remote attackers to conduct HTTP request smuggling attacks or cause a denial of service (resource consumption) by streaming data with malformed chunked transfer coding.
- How severe is CVE-2014-0227?
- CVE-2014-0227 has a CVSS 2.0 base score of 6.4, rated medium severity.
- Is CVE-2014-0227 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-0227?
- CVE-2014-0227 primarily affects Apache Tomcat. In total, 110 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2014-0227?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2014-0227 published?
- CVE-2014-0227 was published on 2015-02-16 and last updated on 2026-06-17.
References
- http://advisories.mageia.org/MGASA-2015-0081.html
- http://archives.neohapsis.com/archives/bugtraq/2015-02/0067.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-February/150282.html
- http://marc.info/?l=bugtraq&m=143393515412274&w=2
- http://marc.info/?l=bugtraq&m=143403519711434&w=2
- http://rhn.redhat.com/errata/RHSA-2015-0675.html
- http://rhn.redhat.com/errata/RHSA-2015-0720.html
- http://rhn.redhat.com/errata/RHSA-2015-0765.html
- http://rhn.redhat.com/errata/RHSA-2015-0983.html
- http://rhn.redhat.com/errata/RHSA-2015-0991.html
- http://svn.apache.org/viewvc?view=revision&revision=1600984
- http://tomcat.apache.org/security-6.html
- http://tomcat.apache.org/security-7.html
- http://tomcat.apache.org/security-8.html
- http://www.debian.org/security/2016/dsa-3447
- http://www.debian.org/security/2016/dsa-3530
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:052
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:053
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:084
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.securityfocus.com/bid/72717
- http://www.securitytracker.com/id/1032791
- http://www.ubuntu.com/usn/USN-2654-1
- http://www.ubuntu.com/usn/USN-2655-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1109196
- https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E
- https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E
Affected products (110)
- cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.0:alpha:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.1:alpha:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.2:alpha:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.2:beta:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.4:alpha:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.6:alpha:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.7:alpha:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.7:beta:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.8:alpha:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.9:beta:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.19:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.20:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.24:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.26:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.27:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.28:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.29:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.30:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.31:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.32:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:6.0.33:*:*:*:*:*:*:*
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