CVE-2021-4133
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Redhat Keycloak
PublishedJan 25, 2022
First seenJan 25, 2022
Weakness typeCWE-863Incorrect authorization
How to fix
Update
- redhat keycloak15.1.1 or later
- org.keycloak:keycloak-services15.1.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat keycloak | 12.0.0 ≤ v < 15.1.1 | 15.1.1 |
| org.keycloak:keycloak-servicesMaven | v < 15.1.1 | 15.1.1 |
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