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Synthesis of the vulnerability 
An attacker can bypass restrictions via Xerces XMLSchemaValidator use-grammar-pool-only of WildFly, in order to escalate his privileges.
Vulnerable products: JBoss EAP by Red Hat, Red Hat SSO, WildFly.
Severity of this weakness: 2/4.
Creation date: 18/09/2020.
Références of this bulletin: CVE-2020-14338, RHBUG-1860054, RHSA-2020:4244-01, RHSA-2020:4245-01, RHSA-2020:4246-01, RHSA-2020:4247-01, RHSA-2020:4929-01, RHSA-2020:4930-01, RHSA-2020:4931-01, RHSA-2020:4932-01, VIGILANCE-VUL-33366.
Description of the vulnerability 
An attacker can bypass restrictions via Xerces XMLSchemaValidator use-grammar-pool-only of WildFly, in order to escalate his privileges. Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
This computer weakness impacts software or systems such as JBoss EAP by Red Hat, Red Hat SSO, WildFly.
Our Vigil@nce team determined that the severity of this vulnerability note is medium.
The trust level is of type confirmed by the editor, with an origin of document.
An attacker with a expert ability can exploit this cybersecurity threat.
Solutions for this threat 
Red Hat JBoss EAP: version 7.3.3.
The version 7.3.3 is fixed:
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=7.3
Red Hat Single Sign-On: version 7.4.3.
The version 7.4.3 is fixed:
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.4
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
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