java/org/apache/coyote/ajp/AbstractAjpProcessor.java in Apache Tomcat 8.x before 8.0.4…
Priority LOW 34CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub.
Summary
java/org/apache/coyote/ajp/AbstractAjpProcessor.java in Apache Tomcat 8.x before 8.0.4 allows remote attackers to cause a denial of service (thread consumption) by using a "Content-Length: 0" AJP request to trigger a hang in request processing.
Why it matters now
EPSS 0.08494 95th percentileScored 2026-11-07
Fix Fixed org.apache.tomcat:tomcat-coyote (Maven): 8.0.4org.apache.tomcat.embed:tomcat-embed-core (Maven): 8.0.4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.apache.tomcat:tomcat-coyote (Maven) | 8.0.0-RC1 to before 8.0.4 | 8.0.4 | Patch available | GHSA-wf5v-jhxj-q632 |
| — | org.apache.tomcat.embed:tomcat-embed-core (Maven) | 8.0.0-RC1 to before 8.0.4 | 8.0.4 | Patch available | GHSA-wf5v-jhxj-q632 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.apache.tomcat:tomcat-coyote (Maven) Vendor— Affected 8.0.0-RC1 to before 8.0.4 Fixed in 8.0.4 Patch available GHSA-wf5v-jhxj-q632
- org.apache.tomcat.embed:tomcat-embed-core (Maven) Vendor— Affected 8.0.0-RC1 to before 8.0.4 Fixed in 8.0.4 Patch available GHSA-wf5v-jhxj-q632
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:tomcat:8.0.0:rc1:*:*:*:*:*:* | 8.0.0 rc1 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:8.0.0:rc10:*:*:*:*:*:* | 8.0.0 rc10 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:8.0.0:rc2:*:*:*:*:*:* | 8.0.0 rc2 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:8.0.0:rc5:*:*:*:*:*:* | 8.0.0 rc5 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:8.0.1:*:*:*:*:*:*:* | 8.0.1 | Vulnerable | Apache |
| cpe:2.3:a:apache:tomcat:8.0.3:*:*:*:*:*:*:* | 8.0.3 | Vulnerable | Apache |
- cpe:2.3:a:apache:tomcat:8.0.0:rc1:*:*:*:*:*:* Versions 8.0.0 rc1 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:8.0.0:rc10:*:*:*:*:*:* Versions 8.0.0 rc10 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:8.0.0:rc2:*:*:*:*:*:* Versions 8.0.0 rc2 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:8.0.0:rc5:*:*:*:*:*:* Versions 8.0.0 rc5 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:8.0.1:*:*:*:*:*:*:* Versions 8.0.1 Vulnerable ·Apache
- cpe:2.3:a:apache:tomcat:8.0.3:*:*:*:*:*:*:* Versions 8.0.3 Vulnerable ·Apache
Remediation
- Fix · GHSA-wf5v-jhxj-q632 org.apache.tomcat:tomcat-coyote (Maven) Fixed in 8.0.4 Advisory →
- Fix · GHSA-wf5v-jhxj-q632 org.apache.tomcat.embed:tomcat-embed-core (Maven) Fixed in 8.0.4 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat JBoss Enterprise Web Server 1
- Red Hat JBoss Enterprise Web Server 2
Timeline
- 2026-10-02 Threatist record created from CVE-2014-0095
- 2026-10-03 Alias added: GHSA-wf5v-jhxj-q632
- 2026-10-21 EPSS moved to the 95th–99th percentile
- 2026-10-25 EPSS moved to the 90th–95th percentile
- 2026-10-27 EPSS moved to the 95th–99th percentile
References
Other 11
- http://www-01.ibm.com/support/docview.wss?uid=swg21681528
- 20140527 [SECURITY] CVE-2014-0095 Apache Tomcat denial of service
- http://www-01.ibm.com/support/docview.wss?uid=swg21678231
- http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html
- https://github.com/apache/tomcat/commit/8884dae60ace77a87ed9385442ce429e98c3a479
- https://github.com/apache/tomcat80/commit/77590c897f0e542fe363d70efdf3b82209510aee
- https://github.com/apache/tomcat
- https://web.archive.org/web/20140713043210/http://www.securitytracker.com/id/1030300
- https://web.archive.org/web/20141126170141/http://www.securityfocus.com/bid/67673
- https://web.archive.org/web/20151017043748/http://secunia.com/advisories/60729
- https://web.archive.org/web/20161024215453/http://secunia.com/advisories/59873
More Apache Tomcat vulnerabilities
- TI-2025-18529 Apache Tomcat: Potential RCE and/or information disclosure and/or information corruption with partial PUT KEVCVSS 3.1CRITICAL 10.0
- TI-2020-01862 Improper privilege management in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
- TI-2016-07192 Improper access control in Apache Tomcat KEVCVSS 3.1CRITICAL 9.8
- TI-2017-09342 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
- TI-2017-09340 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
- TI-2026-26741 Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor KEVCVSS 3.1HIGH 7.5
Sources
- CVE-2014-0095 · CVE Program
- CVE-2014-0095 · NVD
- FIRST EPSS
- GHSA-wf5v-jhxj-q632 · GitHub Advisory Database · CC BY 4.0
- CVE-2014-0095 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences