CVE-2018-14657

HIGHNVD 8.1

8.1

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.

CVSS v3: 8.1
EG Score: —
EPSS: 58.6%
KEV: Not listed

Published

November 13, 2018

Last Modified

November 21, 2024

References (8)

secalert@redhathttps://access.redhat.com/errata/RHSA-2018:3592
secalert@redhathttps://access.redhat.com/errata/RHSA-2018:3593
secalert@redhathttps://access.redhat.com/errata/RHSA-2018:3595
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14657
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3592
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3593
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3595
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14657

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.keycloak:keycloak-parent	1.0-alpha-1 ... 4.5.0.Final (93 versions)	4.6.0.Final	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-307Improper Restriction of Excessive Authentication Attempts

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-14657?

CVE-2018-14657 is a high vulnerability published on November 13, 2018. 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.

When was CVE-2018-14657 disclosed?

CVE-2018-14657 was first published in the National Vulnerability Database on November 13, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-14657 actively exploited?

CVE-2018-14657 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 58.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-14657?

CVE-2018-14657 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2018-14657?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-14657, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-14657

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