CVE-2024-3656 Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities
Low-privilege users can access administrative endpoints in Keycloak, enabling unauthorized actions and potential data breaches.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-3656?
CVE-2024-3656 is a high-severity missing authorization vulnerability in Red Hat Build of Keycloak, published on 9 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.
Weakness: CWE-200
Which versions are affected by CVE-2024-3656?
2 open source packages ship an affected version, including org.keycloak:keycloak-services.
| Package | Affected | Fixed in |
|---|---|---|
org.keycloak:keycloak-services Maven | All versions | 24.0.5 |
org.keycloak:keycloak-services Maven | All versions | 24.0.5 |
How do I fix CVE-2024-3656?
Upgrade org.keycloak:keycloak-services to 24.0.5 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2024-3656 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-3656 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Sources
Also known as GHSA-2cww-fgmg-4jqc.