CVE-2021-3717 Wildfly-Core user account mismanagement

What is CVE-2021-3717?

CVE-2021-3717 is a high-severity authentication bypass vulnerability in Redhat Jboss Enterprise Application Platform, published on 24 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw was found in Wildfly. An incorrect JBOSS_LOCAL_USER challenge location when using the elytron configuration may lead to JBOSS_LOCAL_USER access to all users on the machine. The highest threat from this vulnerability is to confidentiality, integrity, and availability. This flaw affects wildfly-core versions prior to 17.0.

Weakness: CWE-552

Which versions are affected by CVE-2021-3717?

2 open source packages ship an affected version, including org.wildfly.core:wildfly-core-parent. It affects 3 products.

Products include Redhat Jboss Enterprise Application Platform, Redhat Single Sign-On, Redhat Wildfly Core.

How do I fix CVE-2021-3717?

Upgrade org.wildfly.core:wildfly-core-parent to 17.0 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-3717 being exploited?

There is no known exploitation of CVE-2021-3717 in the wild and no public exploit code.

Other vulnerabilities in Redhat Jboss Enterprise Application Platform

• CVE-2017-12149 Red Hat JBoss Application Server Remote Code Execution Exploited Critical 9.8
• CVE-2010-1428 Red Hat JBoss Information Disclosure Exploited Medium 5.9
• CVE-2010-0738 Red Hat JBoss Authentication Bypass Exploited Low 3.7
• CVE-2016-3690 Deserialization in n/a Critical 9.8
• CVE-2017-7504 Deserialization in JBoss Critical 9.8

All Redhat Jboss Enterprise Application Platform vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-p9xf-3rm3-qh2h.