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CVE-2018-14657

26
FAUCET Score

CVE-2018-14657 describes a critical flaw in Keycloak versions 4.2.1.Final and 4.3.0.Final, and related Red Hat products, where the brute force detection mechanism fails to properly enforce protection when Two-Factor Authentication (TOPT) is enabled. This vulnerability carries a high CVSS score of 8.1, indicating a network-based attack with high impact on confidentiality, integrity, and availability, despite high attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.2.1CPE matchmatch criteria
cpe:2.3:a:redhat:keycloak:4.2.1:*:*:*:*:*:*:*
4.3.0CPE matchmatch criteria
cpe:2.3:a:redhat:keycloak:4.3.0:*:*:*:*:*:*:*
7.2CPE matchmatch criteria
cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.5
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.16%
Probability of exploitation in next 30 days
EPSS Percentile
63.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0116 is in the 26th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

mavenpatch availablevia ghsa
Product: org.keycloak:keycloak-parentFixed in: 4.6.0.Final
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.2.5 zip
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.2 for RHEL 6Fixed in: rh-sso7-keycloak-0:3.4.14-1.Final_redhat_00001.1.jbcs.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.2 for RHEL 7Fixed in: rh-sso7-keycloak-0:3.4.14-1.Final_redhat_00001.1.jbcs.el7
View patch
redhatvendor investigatingvia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Fuse 7Fixed in: keycloak

Vendor Advisories (2)

mavenGHSA-85v8-vx4w-q684high

Keycloak Improper Bruteforce Detection

May 13, 2022
redhatCVE-2018-14657Low

keycloak: brute force protection not working for the entire login workflow

Nov 13, 2018

References

access.redhat.com / errata/RHSA-2018:3592
Vendor Advisory
access.redhat.com / errata/RHSA-2018:3593
Vendor Advisory
access.redhat.com / errata/RHSA-2018:3595
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory