CVE-2024-1249 HIGH

CVE-2024-1249: Keycloak: org.keycloak.protocol.oidc: unvalidated cross-origin messages in checkloginiframe leads to ddos

Vendor Red Hat
Product Red Hat AMQ Broker 7
Weakness CWE-346 · Origin validation
Published April 17, 2024
Last update June 2, 2026
View on NVD All CVEs

CVSS base score

7.4/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

What the vulnerability does

01Description

A flaw was found in Keycloak's OIDC component in the "checkLoginIframe," which allows unvalidated cross-origin messages. This flaw allows attackers to coordinate and send millions of requests in seconds using simple code, significantly impacting the application's availability without proper origin validation for incoming messages.

Key dates

02Disclosure timeline

April 17, 2024 CVE published
June 2, 2026 Record updated