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Vulnerable Software

Vulnerability Details CVE-2021-4133

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 33.9%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.5
Products affected by CVE-2021-4133
  • Redhat » Keycloak » Version: 12.0.0
    cpe:2.3:a:redhat:keycloak:12.0.0
  • Redhat » Keycloak » Version: 12.0.1
    cpe:2.3:a:redhat:keycloak:12.0.1
  • Redhat » Keycloak » Version: 12.0.2
    cpe:2.3:a:redhat:keycloak:12.0.2
  • Redhat » Keycloak » Version: 12.0.3
    cpe:2.3:a:redhat:keycloak:12.0.3
  • Redhat » Keycloak » Version: 12.0.4
    cpe:2.3:a:redhat:keycloak:12.0.4
  • Redhat » Keycloak » Version: 13.0.0
    cpe:2.3:a:redhat:keycloak:13.0.0
  • Redhat » Keycloak » Version: 13.0.1
    cpe:2.3:a:redhat:keycloak:13.0.1
  • Redhat » Keycloak » Version: 14.0.0
    cpe:2.3:a:redhat:keycloak:14.0.0
  • Redhat » Keycloak » Version: 15.0.0
    cpe:2.3:a:redhat:keycloak:15.0.0
  • Redhat » Keycloak » Version: 15.0.1
    cpe:2.3:a:redhat:keycloak:15.0.1
  • Redhat » Keycloak » Version: 15.0.2
    cpe:2.3:a:redhat:keycloak:15.0.2
  • Redhat » Keycloak » Version: 15.1.0
    cpe:2.3:a:redhat:keycloak:15.1.0


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