CVE-2020-14338

16

FAUCET Score

CVE-2020-14338 is a medium-severity flaw in Wildfly's JAXP component, specifically within the XMLSchemaValidator class, affecting all Xerces JBoss versions prior to 2.12.0.SP3. This vulnerability, similar to CVE-2020-14621 in OpenJDK, allows a specially crafted XML file to manipulate the validation process due to improper enforcement of the "use-grammar-pool-only" feature. With a CVSS score of 5.3, it can be exploited remotely with low complexity and no user interaction, potentially leading to a loss of integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 2.12.0CPE matchmatch criteria	cpe:2.3:a:redhat:xerces::::::::
		2.12.0CPE matchmatch criteria	cpe:2.3:a:redhat:xerces:2.12.0:sp1::::::
		2.12.0CPE matchmatch criteria	cpe:2.3:a:redhat:xerces:2.12.0:sp2::::::

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

3.9

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

1.29%

Probability of exploitation in next 30 days

EPSS Percentile

67.3%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0129 is in the 47th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (96)

mavenpatch availablevia ghsa

Product: xerces:xercesImplFixed in: 2.12.0.sp3

redhatpatch availablevia redhat_api

Product: RHDM 7.10.0Fixed in: xercesimpl

redhatpatch availablevia redhat_api

Product: RHPAM 7.10.0Fixed in: xercesimpl

redhatpatch availablevia redhat_api

Product: EAP 7.3.3Fixed in: xercesimpl

redhatpatch availablevia redhat_api

Product: Red Hat Fuse 7.9Fixed in: xercesimpl

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-activemq-artemis-0:2.9.0-5.redhat_00011.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-activemq-artemis-native-1:1.0.2-1.redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-apache-commons-codec-0:1.14.0-1.redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-apache-commons-lang-0:3.10.0-1.redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-apache-cxf-0:3.3.7-1.redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-artemis-native-1:1.0.2-3.redhat_1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-bouncycastle-0:1.65.0-1.redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-glassfish-jsf-0:2.3.9-11.SP12_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-hal-console-0:3.2.10-1.Final_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-hibernate-0:5.3.18-1.Final_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-httpcomponents-client-0:4.5.12-1.redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-httpcomponents-core-0:4.4.13-1.redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-jberet-0:1.3.7-1.Final_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-jboss-invocation-0:1.5.3-1.Final_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-jboss-logmanager-0:2.1.17-1.Final_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-jboss-server-migration-0:1.7.2-2.Final_redhat_00002.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-jboss-xnio-base-0:3.7.9-1.Final_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-jgroups-0:4.1.10-1.Final_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-narayana-0:5.9.9-1.Final_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-picketbox-0:5.0.3-8.Final_redhat_00007.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-picketlink-bindings-0:2.5.5-25.SP12_redhat_00013.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-snakeyaml-0:1.26.0-1.redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-undertow-0:2.0.31-1.SP1_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-velocity-0:2.2.0-1.redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-wildfly-0:7.3.3-4.GA_redhat_00004.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-wildfly-elytron-0:1.10.8-1.Final_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-wildfly-transaction-client-0:1.1.13-1.Final_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-ws-commons-XmlSchema-0:2.2.5-1.redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6Fixed in: eap7-xerces-j2-0:2.12.0-2.SP03_redhat_00001.1.el6eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-activemq-artemis-0:2.9.0-5.redhat_00011.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-activemq-artemis-native-1:1.0.2-1.redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-apache-commons-codec-0:1.14.0-1.redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-apache-commons-lang-0:3.10.0-1.redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-apache-cxf-0:3.3.7-1.redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-artemis-native-1:1.0.2-3.redhat_1.el7eap

redhatpatch availablevia redhat_api

Product: Text-Only RHOAR

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-bouncycastle-0:1.65.0-1.redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-glassfish-jsf-0:2.3.9-11.SP12_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-hal-console-0:3.2.10-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-hibernate-0:5.3.18-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-httpcomponents-client-0:4.5.12-1.redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-httpcomponents-core-0:4.4.13-1.redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-jberet-0:1.3.7-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-jboss-invocation-0:1.5.3-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-jboss-logmanager-0:2.1.17-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-jboss-server-migration-0:1.7.2-2.Final_redhat_00002.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-jboss-xnio-base-0:3.7.9-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-jgroups-0:4.1.10-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-narayana-0:5.9.9-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-picketbox-0:5.0.3-8.Final_redhat_00007.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-picketlink-bindings-0:2.5.5-25.SP12_redhat_00013.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-snakeyaml-0:1.26.0-1.redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-undertow-0:2.0.31-1.SP1_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-velocity-0:2.2.0-1.redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-wildfly-0:7.3.3-4.GA_redhat_00004.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-wildfly-elytron-0:1.10.8-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-wildfly-transaction-client-0:1.1.13-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-ws-commons-XmlSchema-0:2.2.5-1.redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7Fixed in: eap7-xerces-j2-0:2.12.0-2.SP03_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-activemq-artemis-0:2.9.0-5.redhat_00011.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-activemq-artemis-native-1:1.0.2-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-apache-commons-codec-0:1.14.0-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat Single Sign-On 7.4.3Fixed in: xercesimpl

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-ws-commons-XmlSchema-0:2.2.5-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-xerces-j2-0:2.12.0-2.SP03_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-apache-commons-lang-0:3.10.0-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-apache-cxf-0:3.3.7-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-artemis-native-1:1.0.2-3.redhat_1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-bouncycastle-0:1.65.0-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-glassfish-jsf-0:2.3.9-11.SP12_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-hal-console-0:3.2.10-1.Final_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-hibernate-0:5.3.18-1.Final_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-httpcomponents-client-0:4.5.12-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-httpcomponents-core-0:4.4.13-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-jberet-0:1.3.7-1.Final_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-jboss-invocation-0:1.5.3-1.Final_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-jboss-logmanager-0:2.1.17-1.Final_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-jboss-server-migration-0:1.7.2-2.Final_redhat_00002.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-jboss-xnio-base-0:3.7.9-1.Final_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-jgroups-0:4.1.10-1.Final_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-narayana-0:5.9.9-1.Final_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-picketbox-0:5.0.3-8.Final_redhat_00007.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-picketlink-bindings-0:2.5.5-25.SP12_redhat_00013.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-snakeyaml-0:1.26.0-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-undertow-0:2.0.31-1.SP1_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-velocity-0:2.2.0-1.redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-wildfly-0:7.3.3-4.GA_redhat_00004.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-wildfly-elytron-0:1.10.8-1.Final_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8Fixed in: eap7-wildfly-transaction-client-0:1.1.13-1.Final_redhat_00001.1.el8eap

redhatvendor investigatingvia nvd_reference

redhatno patchvia redhat_api

Product: Red Hat OpenShift Application RuntimesFixed in: xercesimpl

Vendor Advisories (2)

mavenGHSA-w4jq-qh47-hvjqmedium

Improper Input Validation in Xerces

redhatCVE-2020-14338Moderate

wildfly: XML validation manipulation due to incomplete application of use-grammar-pool-only in xercesImpl

References

bugzilla.redhat.com / show_bug.cgi

Issue TrackingVendor Advisory

lists.apache.org / thread.html/rf96c5afb26b596b4b97883aa90b6c0b0fc4c26aaeea7123c21912103%40%3Cj-users.xerces.apache.org%3E