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6.5 Medium

CVE-2024-4629 A vulnerability was found in Keycloak

Description

A vulnerability was found in Keycloak. This flaw allows attackers to bypass brute force protection by exploiting the timing of login attempts. By initiating multiple login requests simultaneously, attackers can exceed the configured limits for failed attempts before the system locks them out. This timing loophole enables attackers to make more guesses at passwords than intended, potentially compromising account security on affected systems.

Affected products and versions

Product Affected versions Fixed in
Red Hat Build of Keycloak Versions not published
Red Hat build of Keycloak 22 22 earliest → < 22-20 22-20
Red Hat Single Sign-On 7 Versions not published
Red Hat Single Sign-On 7.6 for RHEL 7 Versions not published
Red Hat Single Sign-On 7.6 for RHEL 8 Versions not published
Red Hat Single Sign-On 7.6 for RHEL 9 Versions not published
RHEL-8 based Middleware Containers 7.6 earliest → < 7.6-52 7.6-52
Red Hat JBoss Enterprise Application Platform 8 Versions not published
Red Hat Single Sign-On 7.0 Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Red Hat Build of Keycloak

The 266 CVEs of Red Hat Build of Keycloak →
CVE-2026-97847 Keycloak-services: keycloak-services: client manager can substitute sessionless token principal via hardcoded-claim mappers to obtain realm administrator authority 7.1 High CVE-2026-97175 Keycloak-services: keycloak-services: unverified idp email auto-linking enables account takeover 8.8 High CVE-2026-97174 Keycloak-services: keycloak-services: ciba sub parameter injection causes attacker authentication to issue victim tokens 6.8 Medium CVE-2026-96453 Org.keycloak/keycloak-admin-cli: keycloak-admin-cli: kcadm custom truststore accepts arbitrary self-signed certificates 8.0 High
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