CVE-2024-4629 Keycloak: potential bypass of brute force protection
Attackers can bypass brute force protection by timing simultaneous login requests, allowing excessive password guessing and potential account compromise.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-4629?
CVE-2024-4629 is a medium-severity vulnerability in Redhat Build of Keycloak, published on 3 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-837
Which versions are affected by CVE-2024-4629?
7 open source packages ship an affected version, including org.keycloak:keycloak-services and keycloak. It affects 7 products.
| Package | Affected | Fixed in |
|---|---|---|
org.keycloak:keycloak-services Maven | All versions | 22.0.12 |
org.keycloak:keycloak-services Maven | All versions | 22.0.12 |
org.keycloak:keycloak-services Maven | From 23.0.0 | 24.0.7 |
org.keycloak:keycloak-services Maven | From 23.0.0 | 24.0.7 |
org.keycloak:keycloak-services Maven | From 25.0.0 | 25.0.4 |
org.keycloak:keycloak-services Maven | From 25.0.0 | 25.0.4 |
1 more packages
keycloak Bitnami | From 22.0.0 | 22.12.0 |
Products include Redhat Build of Keycloak, Redhat Keycloak, Redhat Openshift Container Platform, Redhat Openshift Container Platform for Linuxone, Redhat Openshift Container Platform for Power, Redhat Openshift Container Platform Ibm Z Systems and 1 more.
How do I fix CVE-2024-4629?
Upgrade org.keycloak:keycloak-services to a fixed version for your release line: 22.0.12, 24.0.7 or 25.0.4.
Is CVE-2024-4629 being exploited?
There is no known exploitation of CVE-2024-4629 in the wild and no public exploit code.
Other vulnerabilities in Redhat Build of Keycloak
- CVE-2026-15572 Keycloak-services: keycloak-services: dcr protocol mapper type-swap policy bypass allows privilege escalation
- CVE-2026-3047 Keycloak SAML Broken has Authentication Bypass by Primary Weakness
- CVE-2026-15573 Keycloak-services: keycloak-services: authorization bypass via unnormalized uri matching in pathmatcher
- CVE-2026-16102 Keycloak-services: keycloak-services: default dcr policy allows role forgery via user property mappers
- CVE-2026-1609 Org.keycloak/keycloak-quarkus-server: keycloak: unauthorized access via jwt authorization grant with disabled users
Sources
Also known as BIT-keycloak-2024-4629, GHSA-gc7q-jgjv-vjr2.