A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of…
Priority LOW 31CWE-444Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Partial Red Hat: 12 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.
Summary
A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.
Why it matters now
EPSS 0.01002 63rd percentileScored 2026-11-07
Fix Partial io.undertow:undertow-core (Maven): 2.1.1.FinalRed Hat: 12 advisoriesRed Hat: 12 fixed, 2 without a fix
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 |
|---|---|---|---|---|---|
| Red Hat | undertow | before 2.1.1.Final | 2.1.1.Final | Patch available | CNA |
| — | io.undertow:undertow-core (Maven) | before 2.1.1.Final | 2.1.1.Final | Patch available | GHSA-cccf-7xw3-p2vr |
- undertow VendorRed Hat Affected before 2.1.1.Final Fixed in 2.1.1.Final Patch available CNA
- io.undertow:undertow-core (Maven) Vendor— Affected before 2.1.1.Final Fixed in 2.1.1.Final Patch available GHSA-cccf-7xw3-p2vr
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* | before 2.1.1 | Vulnerable | Red Hat |
| cpe:2.3:a:netapp:oncommand_insight:*:*:*:*:*:*:*:* | before 7.3.13 | Vulnerable | NetApp |
| cpe:2.3:a:redhat:fuse:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:jboss_enterprise_application_platform:-:*:*:*:text-only:*:*:* | not specified by NVD | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:text-only:*:*:* | not specified by NVD | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:* | not specified by NVD | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Running on | Red Hat |
- cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* Versions before 2.1.1 Vulnerable ·Red Hat
- cpe:2.3:a:netapp:oncommand_insight:*:*:*:*:*:*:*:* Versions before 7.3.13 Vulnerable ·NetApp
- cpe:2.3:a:redhat:fuse:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:jboss_enterprise_application_platform:-:*:*:*:text-only:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:text-only:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
- cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:* Versions not specified by NVD Vulnerable ·Red Hat
- cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Running on ·Red Hat
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | 6.0 | Running on | Red Hat |
| cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:* | 7.2 | Vulnerable | Red Hat |
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:linux:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:* | not specified by NVD | Vulnerable | NetApp |
| cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NetApp |
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Running on ·Red Hat
- cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:linux:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:* Versions not specified by NVD Vulnerable ·NetApp
- cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Remediation
- Fix · GHSA-cccf-7xw3-p2vr io.undertow:undertow-core (Maven) Fixed in 2.1.1.Final Advisory →
Red Hat 12 advisories
- RHSA-2021:3140 Released 2021-08-11 · Red Hat rating ModerateRed Hat Fuse 7.9.0 release and security update
- Red Hat Fuse 7.9
- RHSA-2020:3585 Released 2020-08-31 · Red Hat rating ImportantEAP Continuous Delivery Technical Preview Release 20 security update
- EAP-CD 20 Tech Preview
- RHSA-2020:2905 Released 2020-07-23 · Red Hat rating ImportantRed Hat build of Thorntail 2.7.0 security and bug fix update
- Text-Only RHOAR
Show 9 more Red Hat advisories
- RHSA-2020:2813 Released 2020-07-02 · Red Hat rating ImportantRed Hat Single Sign-On 7.4.1 security update
- Red Hat Single Sign-On 7.4.1
- RHSA-2020:2511 Released 2020-06-11 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.3.1 Security update
- Red Hat JBoss EAP 7.3 for RHEL 6 Server eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el6eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el6eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el6eap +47
- RHSA-2020:2512 Released 2020-06-11 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.3.1 Security update
- Red Hat JBoss EAP 7.3 for RHEL 7 Server eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el7eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el7eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el7eap +47
- RHSA-2020:2513 Released 2020-06-11 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.3.1 Security update
- Red Hat JBoss EAP 7.3 for BaseOS-8 eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el8eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el8eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el8eap +47
- RHSA-2020:2515 Released 2020-06-10 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.3.1 Security update
- Red Hat JBoss Enterprise Application Platform 7
- RHSA-2020:2061 Released 2020-05-11 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.2.8 security update
- Red Hat JBoss EAP 7.2
- RHSA-2020:2060 Released 2020-05-11 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.2.8 on RHEL 8 security update
- Red Hat JBoss EAP 7.2 for RHEL 8 eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el8eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el8eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el8eap +47
- RHSA-2020:2059 Released 2020-05-11 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.2.8 on RHEL 7 security update
- Red Hat JBoss EAP 7.2 for RHEL 7 Server eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el7eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el7eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el7eap +47
- RHSA-2020:2058 Released 2020-05-11 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.2.8 on RHEL 6 security update
- Red Hat JBoss EAP 7.2 for RHEL 6 Server eap7-activemq-artemis-2.9.0-4.redhat_00010.1.el6eap, eap7-activemq-artemis-cli-2.9.0-4.redhat_00010.1.el6eap, eap7-activemq-artemis-commons-2.9.0-4.redhat_00010.1.el6eap +47
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat JBoss Data Grid 7 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Application Runtimes | Affected | No fix yet |
| EAP-CD 20 Tech Preview | Fixed | RHSA-2020:3585 |
| Red Hat Fuse 7.9 | Fixed | RHSA-2021:3140 |
| Red Hat JBoss EAP 7.2 | Fixed | RHSA-2020:2061 |
| Red Hat JBoss EAP 7.2 for RHEL 6 Server | Fixed | RHSA-2020:2058 |
| Red Hat JBoss EAP 7.2 for RHEL 7 Server | Fixed | RHSA-2020:2059 |
| Red Hat JBoss EAP 7.2 for RHEL 8 | Fixed | RHSA-2020:2060 |
| Red Hat JBoss EAP 7.3 for BaseOS-8 | Fixed | RHSA-2020:2513 |
| Red Hat JBoss EAP 7.3 for RHEL 6 Server | Fixed | RHSA-2020:2511 |
| Red Hat JBoss EAP 7.3 for RHEL 7 Server | Fixed | RHSA-2020:2512 |
| Red Hat JBoss Enterprise Application Platform 7 | Fixed | RHSA-2020:2515 |
| Red Hat Single Sign-On 7.4.1 | Fixed | RHSA-2020:2813 |
| Text-Only RHOAR | Fixed | RHSA-2020:2905 |
Not affected: 4 products
- A-MQ Clients 2
- Red Hat Data Grid 8
- Red Hat Decision Manager 7
- Red Hat Process Automation 7
Timeline
- 2026-10-02 Threatist record created from CVE-2020-10719
- 2026-10-03 Alias added: GHSA-cccf-7xw3-p2vr
- 2026-11-05 Fix available: Red Hat JBoss Enterprise Application Platform 7 · Red Hat
References
More Red Hat Fuse vulnerabilities
- TI-2016-03813 Apache Shiro before 1.2.5, when a cipher key has not been configured for the "remember… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-01295 The Groovy scripting engine in Elasticsearch before 1.3.8 and 1.4.x before 1.4.3 allows… KEVCVSS 3.1CRITICAL 9.8
- TI-2017-09342 Unrestricted file upload in Apache Tomcat KEVCVSS 3.1HIGH 8.1
- TI-2017-03645 Deserialization of untrusted data in Apache Log4j CVSS 3.1CRITICAL 9.8
- TI-2018-01175 Code injection in Spring Framework CVSS 3.1CRITICAL 9.8
- TI-2025-11507 Undertow-core: undertow http server fails to reject malformed host headers leading to potential cache poisoning and ssrf CVSS 3.1CRITICAL 9.6
Sources
- CVE-2020-10719 · CVE Program
- CVE-2020-10719 · NVD
- FIRST EPSS
- GHSA-cccf-7xw3-p2vr · GitHub Advisory Database · CC BY 4.0
- CVE-2020-10719 · 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