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.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487	Third Party Advisory
https://github.com/keycloak/keycloak/issues/9247	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2033602	Issue Tracking Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	Not Applicable

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Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*

Information

Published : 2022-01-25 12:15

Updated : 2022-09-02 20:33

NVD link : CVE-2021-4133

Mitre link : CVE-2021-4133

JSON object : View

CWE

CWE-863

Incorrect Authorization

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Products Affected

redhat

keycloak

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