Description
A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled.
Remediation
References
https://bugzilla.redhat.com/show_bug.cgi?id=2033602
https://github.com/keycloak/keycloak/issues/9247
https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487
https://www.oracle.com/security-alerts/cpuapr2022.html
Related Vulnerabilities
CVE-2020-14359 Vulnerability in maven package org.keycloak:keycloak-core
CVE-2020-12827 Vulnerability in maven package org.webjars.npm:mjml
CVE-2019-19771 Vulnerability in npm package baes-x
CVE-2021-35517 Vulnerability in maven package org.apache.commons:commons-compress
CVE-2020-15215 Vulnerability in maven package org.webjars.npm:electron