CVE-2024-1249

Name: CVE-2024-1249
Creator: NVD / NIST
Published: 2024-04-17T14:15:08.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2024-1249 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.4/10

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

EPSS Probability

0.45%

35.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-346

References

Timeline

Published: Apr 17, 2024
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2024-1249?

How severe is CVE-2024-1249?

CVE-2024-1249 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2024-1249?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-1249?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST