VULNERABILITY INTELLIGENCE

CVE-2021-4133

CVSS score8.8 HIGH
EPSS probability1.37%
CISA KEVNot currently listed
Published2022-01-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • secalert@redhat.com: CWE-863
  • nvd@nist.gov: CWE-863

Primary references