Vulnerability · 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 atte…
Published Feb 16, 2015 · catalog updated Oct 14, 2026 · the affected product
Check this week
CVE-2014-0227 is not in CISA KEV. FIRST estimates a 21.04% chance of exploitation in the next 30 days. Check whether you run the affected product.
Gaps on this record
- No plain product name is stored. The page cannot tell you which product to check.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.4
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 21.04%
- Remediation
- Advisory link
- Affected products
- cpe apache/tomcat · vendor n/a n/a
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe apache/tomcat6.0.0
- cpe apache/tomcat6.0.1
- cpe apache/tomcat6.0.2
- cpe apache/tomcat6.0.3
- vendor n/a n/aversion unspecified
How to fix CVE-2014-0227
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2014-0227 is not in CISA KEV. FIRST estimates a 21.04% chance of exploitation in the next 30 days. Check whether you run the affected product.
Which versions are affected?
Compare what you have installed with 6.0.0, 6.0.1, 6.0.2, 6.0.3. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-19. EPSS 21.04%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Feb 16, 2015 · NIST NVD
Detected
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
Oct 14, 2026 · NIST NVD
Updated
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
Sources
- CVE.orgVulnerability recordCVE-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
cve.org - FIRST EPSSExploitation probabilityCVE-2014-0227
30-day exploitation probability 21.0%
first.org - NIST NVDVulnerability recordCVE-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
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.