CVE-2019-14820

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-01-08 · updated 2026-06-17
Weakness: CWE-200

Description

It was found that keycloak before version 8.0.0 exposes internal adapter endpoints in org.keycloak.constants.AdapterConstants, which can be invoked via a specially-crafted URL. This vulnerability could allow an attacker to access unauthorized information.

Affected products

Red Hat JBoss EAP: 6.4.0, 7.2.0
RedHat Jboss Fuse: 7.0.0
Keycloak: before 8.0.0 — fixed in 8.0.0
Red Hat Single Sign-On: 7.3

How to fix

Upgrade to a fixed version: Keycloak 8.0.0. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14820
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14820

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