What’s Vulnerable › Vulnerabilities

CVE-2020-25689

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-02 · updated 2026-06-17
• Weakness: CWE-401

Description

A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability.

Affected products

• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
• OnCommand Insight: all versions
• NetApp Service Level Manager: all versions
• Red Hat Fuse: 6.0.0
• RedHat Jboss Data Grid: 7.0.0
• Red Hat JBoss EAP: 7.0.0
• RedHat Jboss Fuse: 7.0.0
• RedHat Openshift Application Runtimes: all versions
• Red Hat Single Sign-On: 7.0
• Wildfly: through 21.0.0

References

• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25689
• https://security.netapp.com/advisory/ntap-20201123-0006/
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25689
• https://security.netapp.com/advisory/ntap-20201123-0006/

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