CVE-2019-14820

Name: CVE-2019-14820
Creator: NVD / NIST
Published: 2020-01-08T15:15:11.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2019-14820 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.72%

49.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Redhat	Keycloak	< 8.0.0
Redhat	Single Sign-On	7.3
Redhat	Jboss Enterprise Application Platform	6.4.0
Redhat	Jboss Enterprise Application Platform	7.2.0
Redhat	Jboss Fuse	7.0.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14820Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14820Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Jan 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-14820?

How severe is CVE-2019-14820?

CVE-2019-14820 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2019-14820?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-14820?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST