GHSA-42j3-498q-m6vp · Severity: medium · Ecosystem: maven — Improper Input Validation in Apache Tomcat
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.
Conclusion & alert: CVE-2014-0227 is rated Moderate Risk (54.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 21.04%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 69.38% | 21.04% | -48.34% |
| 2 | 2026-06-08 | 78.23% | 69.38% | -8.85% |
| 3 | 2026-03-30 | — | 78.23% | — |
Full EPSS history (47 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
GHSA-42j3-498q-m6vp · Severity: medium · Ecosystem: maven — Improper Input Validation in Apache Tomcat
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2014-0227 |
ubuntu
|
low | CVE-2014-0227 low priority: Ubuntu including 3 source packages (tomcat6, tomcat7, tomcat8), 36 status rows across 12 suites (artful, bionic, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 16, DNE 8, released 7, ignored 5. | https://ubuntu.com/security/CVE-2014-0227 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | tomcat | 6.0.0 | cpe:2.3:a:apache:tomcat:6.0.0:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.0 | cpe:2.3:a:apache:tomcat:6.0.0:alpha:*:*:*:*:*:* |
| apache | tomcat | 6.0.1 | cpe:2.3:a:apache:tomcat:6.0.1:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.1 | cpe:2.3:a:apache:tomcat:6.0.1:alpha:*:*:*:*:*:* |
| apache | tomcat | 6.0.2 | cpe:2.3:a:apache:tomcat:6.0.2:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.2 | cpe:2.3:a:apache:tomcat:6.0.2:alpha:*:*:*:*:*:* |
| apache | tomcat | 6.0.2 | cpe:2.3:a:apache:tomcat:6.0.2:beta:*:*:*:*:*:* |
| apache | tomcat | 6.0.3 | cpe:2.3:a:apache:tomcat:6.0.3:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.4 | cpe:2.3:a:apache:tomcat:6.0.4:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.4 | cpe:2.3:a:apache:tomcat:6.0.4:alpha:*:*:*:*:*:* |
| apache | tomcat | 6.0.5 | cpe:2.3:a:apache:tomcat:6.0.5:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.6 | cpe:2.3:a:apache:tomcat:6.0.6:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.6 | cpe:2.3:a:apache:tomcat:6.0.6:alpha:*:*:*:*:*:* |
| apache | tomcat | 6.0.7 | cpe:2.3:a:apache:tomcat:6.0.7:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.7 | cpe:2.3:a:apache:tomcat:6.0.7:alpha:*:*:*:*:*:* |
| apache | tomcat | 6.0.7 | cpe:2.3:a:apache:tomcat:6.0.7:beta:*:*:*:*:*:* |
| apache | tomcat | 6.0.8 | cpe:2.3:a:apache:tomcat:6.0.8:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.8 | cpe:2.3:a:apache:tomcat:6.0.8:alpha:*:*:*:*:*:* |
| apache | tomcat | 6.0.9 | cpe:2.3:a:apache:tomcat:6.0.9:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.9 | cpe:2.3:a:apache:tomcat:6.0.9:beta:*:*:*:*:*:* |
| apache | tomcat | 6.0.10 | cpe:2.3:a:apache:tomcat:6.0.10:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.11 | cpe:2.3:a:apache:tomcat:6.0.11:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.12 | cpe:2.3:a:apache:tomcat:6.0.12:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.13 | cpe:2.3:a:apache:tomcat:6.0.13:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.14 | cpe:2.3:a:apache:tomcat:6.0.14:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.15 | cpe:2.3:a:apache:tomcat:6.0.15:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.16 | cpe:2.3:a:apache:tomcat:6.0.16:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.17 | cpe:2.3:a:apache:tomcat:6.0.17:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.18 | cpe:2.3:a:apache:tomcat:6.0.18:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.19 | cpe:2.3:a:apache:tomcat:6.0.19:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.20 | cpe:2.3:a:apache:tomcat:6.0.20:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.24 | cpe:2.3:a:apache:tomcat:6.0.24:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.26 | cpe:2.3:a:apache:tomcat:6.0.26:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.27 | cpe:2.3:a:apache:tomcat:6.0.27:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.28 | cpe:2.3:a:apache:tomcat:6.0.28:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.29 | cpe:2.3:a:apache:tomcat:6.0.29:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.30 | cpe:2.3:a:apache:tomcat:6.0.30:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.31 | cpe:2.3:a:apache:tomcat:6.0.31:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.32 | cpe:2.3:a:apache:tomcat:6.0.32:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.33 | cpe:2.3:a:apache:tomcat:6.0.33:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.35 | cpe:2.3:a:apache:tomcat:6.0.35:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.36 | cpe:2.3:a:apache:tomcat:6.0.36:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.37 | cpe:2.3:a:apache:tomcat:6.0.37:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.39 | cpe:2.3:a:apache:tomcat:6.0.39:*:*:*:*:*:*:* |
| apache | tomcat | 6.0.41 | cpe:2.3:a:apache:tomcat:6.0.41:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.0 | cpe:2.3:a:apache:tomcat:7.0.0:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.0 | cpe:2.3:a:apache:tomcat:7.0.0:beta:*:*:*:*:*:* |
| apache | tomcat | 7.0.1 | cpe:2.3:a:apache:tomcat:7.0.1:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.2 | cpe:2.3:a:apache:tomcat:7.0.2:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.2 | cpe:2.3:a:apache:tomcat:7.0.2:beta:*:*:*:*:*:* |
| apache | tomcat | 7.0.3 | cpe:2.3:a:apache:tomcat:7.0.3:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.4 | cpe:2.3:a:apache:tomcat:7.0.4:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.4 | cpe:2.3:a:apache:tomcat:7.0.4:beta:*:*:*:*:*:* |
| apache | tomcat | 7.0.5 | cpe:2.3:a:apache:tomcat:7.0.5:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.6 | cpe:2.3:a:apache:tomcat:7.0.6:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.7 | cpe:2.3:a:apache:tomcat:7.0.7:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.8 | cpe:2.3:a:apache:tomcat:7.0.8:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.9 | cpe:2.3:a:apache:tomcat:7.0.9:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.10 | cpe:2.3:a:apache:tomcat:7.0.10:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.11 | cpe:2.3:a:apache:tomcat:7.0.11:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.12 | cpe:2.3:a:apache:tomcat:7.0.12:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.13 | cpe:2.3:a:apache:tomcat:7.0.13:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.14 | cpe:2.3:a:apache:tomcat:7.0.14:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.15 | cpe:2.3:a:apache:tomcat:7.0.15:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.16 | cpe:2.3:a:apache:tomcat:7.0.16:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.17 | cpe:2.3:a:apache:tomcat:7.0.17:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.18 | cpe:2.3:a:apache:tomcat:7.0.18:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.19 | cpe:2.3:a:apache:tomcat:7.0.19:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.20 | cpe:2.3:a:apache:tomcat:7.0.20:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.21 | cpe:2.3:a:apache:tomcat:7.0.21:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.22 | cpe:2.3:a:apache:tomcat:7.0.22:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.23 | cpe:2.3:a:apache:tomcat:7.0.23:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.24 | cpe:2.3:a:apache:tomcat:7.0.24:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.25 | cpe:2.3:a:apache:tomcat:7.0.25:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.26 | cpe:2.3:a:apache:tomcat:7.0.26:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.27 | cpe:2.3:a:apache:tomcat:7.0.27:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.28 | cpe:2.3:a:apache:tomcat:7.0.28:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.29 | cpe:2.3:a:apache:tomcat:7.0.29:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.30 | cpe:2.3:a:apache:tomcat:7.0.30:*:*:*:*:*:*:* |
| apache | tomcat | 7.0.31 | cpe:2.3:a:apache:tomcat:7.0.31:*:*:*:*:*:*:* |