CVE-2020-25689

MEDIUM

WildFly < 21.0.0 - Denial of Service via Host-Controller Reconnection Loop

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25689

Scores

CVSS v3 5.3
EPSS 0.0024
EPSS Percentile 46.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (11)
netapp/active_iq_unified_manager (3 CPE variants)
netapp/oncommand_insight
netapp/service_level_manager
org.wildfly/wildfly-dist 0 - 21.0.1Maven
redhat/fuse 6.0.0
redhat/jboss_data_grid 7.0.0
redhat/jboss_enterprise_application_platform 7.0.0
redhat/jboss_fuse 7.0.0
redhat/openshift_application_runtimes
redhat/single_sign-on 7.0
... and 1 more
Published Nov 02, 2020
Tracked Since Feb 18, 2026