Vulnerabilities > CVE-2021-4133 - Incorrect Authorization vulnerability in Redhat Keycloak
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 12 |
Common Weakness Enumeration (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2033602
- https://bugzilla.redhat.com/show_bug.cgi?id=2033602
- https://github.com/keycloak/keycloak/issues/9247
- https://github.com/keycloak/keycloak/issues/9247
- https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487
- https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html