CVE-2018-14657

Name: CVE-2018-14657
Creator: NVD / NIST
Published: 2018-11-13T19:29:00.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2018-14657 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A flaw was found in Keycloak 4.2.1.Final, 4.3.0.Final. When TOPT enabled, an improper implementation of the Brute Force detection algorithm will not enforce its protection measures.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

A flaw was found in Keycloak 4.2.1.Final, 4.3.0.Final. When TOPT enabled, an improper implementation of the Brute Force detection algorithm will not enforce its protection measures.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

1.16%

63.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Keycloak	4.2.1
Redhat	Keycloak	4.3.0
Redhat	Single Sign-On	7.2
Redhat	Single Sign-On	All versions

References

https://access.redhat.com/errata/RHSA-2018:3592Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3593Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3595Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14657Issue Tracking, Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3592Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3593Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3595Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14657Issue Tracking, Vendor Advisory

Timeline

Published: Nov 13, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14657?

A flaw was found in Keycloak 4.2.1.Final, 4.3.0.Final. When TOPT enabled, an improper implementation of the Brute Force detection algorithm will not enforce its protection measures.

How severe is CVE-2018-14657?

CVE-2018-14657 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14657?

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-2018-14657?

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

Scan your code now

Source: NVD / NIST