CVE-2024-3656: high-severity vulnerability in keycloak
Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities
Published · Updated
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36Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendcvss 8.1epss 3.3%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected products
keycloakRed Hat · Red Hat Build of KeycloakRed Hat · Red Hat JBoss Enterprise Application Platform 8Red Hat · Red Hat Single Sign-On 7Related CVEs — keycloak
In the same product, most dangerous first.
CVE-2024-3094CRITICALXz: malicious code in distributed sourceEPSS 90.9%CVE-2024-1635HIGHUndertow: out-of-memory error after several closed connections with wildfly-http-client protocolEPSS 4.6%CVE-2023-5685HIGHXnio: stackoverflowexception when the chain of notifier states becomes problematically bigEPSS 3.5%CVE-2024-5971HIGHUndertow: response write hangs in case of java 17 tlsv1.3 newsessionticketEPSS 2.9%CVE-2026-76166MEDIUMModcluster-core: mod_cluster advertise listener: unauthenticated dos via crafted multicast datagramEPSS 2.7%CVE-2024-7885HIGHUndertow: improper state management in proxy protocol parsing causes information leakageEPSS 2.6%
References
https://access.redhat.com/errata/RHSA-2024:3572https://access.redhat.com/errata/RHSA-2024:3575https://access.redhat.com/security/cve/CVE-2024-3656https://bugzilla.redhat.com/show_bug.cgi?id=2274403https://github.com/advisories/GHSA-2cww-fgmg-4jqchttps://github.com/hnsecurity/vulns/blob/main/HNS-2024-08-Keycloak.mdhttps://news.ycombinator.com/item?id=42136000https://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system/