Headline
CVE-2021-4133: Build software better, together
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.
Incorrect authorization allows unpriviledged users to create other users
Package
keycloak-services (Java)
Affected versions
< 15.1.1
Patched versions
15.1.1, 16.0.0
Description
A incorrect authorization flaw was found in Keycloak 12.0.0, the flaw allows an attacker with any existing user account to create new default user accounts via the administrative REST API even where new user registration is disabled.
CWEs