ID:9302 - Exploit for Input validation error in Keycloak - CVE-2021-3754

Link to public exploit:

Vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can register himself with the username same as the email ID of any existing user and perform a denial of service (DoS) attack.

Remediation