CVE-2024-1249
Keycloak: org.keycloak.protocol.oidc: unvalidated cross-origin messages in checkloginiframe leads to ddos
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.
INFO
Published Date :
April 17, 2024, 2:15 p.m.
Last Modified :
June 17, 2026, 7:03 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2024-1249
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the affected packages.
- Consult the vendor's security advisories for specific guidance on patching or upgrading.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-1249.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-1249 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-1249
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-1249 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-1249 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2024-1249', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2024-04-25T17:33:02.839974Z'} -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'versions': [{'status': 'affected', 'version': '21.1.0', 'lessThan': '22.0.10', 'versionType': 'semver'}, {'status': 'affected', 'version': '23.0.0', 'lessThan': '24.0.3', 'versionType': 'semver'}], 'packageName': 'keycloak', 'collectionURL': 'https://github.com/keycloak/keycloak', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:amq_broker:7.12'], 'vendor': 'Red Hat', 'product': 'Red Hat AMQ Broker 7', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:build_keycloak:22::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat build of Keycloak 22', 'versions': [{'status': 'unaffected', 'version': '22.0.10-1', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'rhbk/keycloak-operator-bundle', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:build_keycloak:22::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat build of Keycloak 22', 'versions': [{'status': 'unaffected', 'version': '22-13', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'rhbk/keycloak-rhel9', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:build_keycloak:22::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat build of Keycloak 22', 'versions': [{'status': 'unaffected', 'version': '22-16', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'rhbk/keycloak-rhel9-operator', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:build_keycloak:22'], 'vendor': 'Red Hat', 'product': 'Red Hat build of Keycloak 22.0.10', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:red_hat_single_sign_on:7.6::el7'], 'vendor': 'Red Hat', 'product': 'Red Hat Single Sign-On 7.6 for RHEL 7', 'versions': [{'status': 'unaffected', 'version': '0:18.0.13-1.redhat_00001.1.el7sso', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'rh-sso7-keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:red_hat_single_sign_on:7.6::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat Single Sign-On 7.6 for RHEL 8', 'versions': [{'status': 'unaffected', 'version': '0:18.0.13-1.redhat_00001.1.el8sso', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'rh-sso7-keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:red_hat_single_sign_on:7.6::el9'], 'vendor': 'Red Hat', 'product': 'Red Hat Single Sign-On 7.6 for RHEL 9', 'versions': [{'status': 'unaffected', 'version': '0:18.0.13-1.redhat_00001.1.el9sso', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'rh-sso7-keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhosemc:1.0::el8'], 'vendor': 'Red Hat', 'product': 'RHEL-8 based Middleware Containers', 'versions': [{'status': 'unaffected', 'version': '7.6-46', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'rh-sso-7/sso76-openshift-rhel8', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_serverless:1.33::el8'], 'vendor': 'Red Hat', 'product': 'RHOSS-1.33-RHEL-8', 'versions': [{'status': 'unaffected', 'version': '1.33.0-5', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'openshift-serverless-1/logic-data-index-ephemeral-rhel8', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_serverless:1.33::el8'], 'vendor': 'Red Hat', 'product': 'RHOSS-1.33-RHEL-8', 'versions': [{'status': 'unaffected', 'version': '1.33.0-5', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'openshift-serverless-1/logic-data-index-postgresql-rhel8', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_serverless:1.33::el8'], 'vendor': 'Red Hat', 'product': 'RHOSS-1.33-RHEL-8', 'versions': [{'status': 'unaffected', 'version': '1.33.0-5', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'openshift-serverless-1/logic-jobs-service-ephemeral-rhel8', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_serverless:1.33::el8'], 'vendor': 'Red Hat', 'product': 'RHOSS-1.33-RHEL-8', 'versions': [{'status': 'unaffected', 'version': '1.33.0-5', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'openshift-serverless-1/logic-jobs-service-postgresql-rhel8', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_serverless:1.33::el8'], 'vendor': 'Red Hat', 'product': 'RHOSS-1.33-RHEL-8', 'versions': [{'status': 'unaffected', 'version': '1.33.0-5', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'openshift-serverless-1/logic-kn-workflow-cli-artifacts-rhel8', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_serverless:1.33::el8'], 'vendor': 'Red Hat', 'product': 'RHOSS-1.33-RHEL-8', 'versions': [{'status': 'unaffected', 'version': '1.33.0-5', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'openshift-serverless-1/logic-operator-bundle', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_serverless:1.33::el8'], 'vendor': 'Red Hat', 'product': 'RHOSS-1.33-RHEL-8', 'versions': [{'status': 'unaffected', 'version': '1.33.0-3', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'openshift-serverless-1/logic-rhel8-operator', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_serverless:1.33::el8'], 'vendor': 'Red Hat', 'product': 'RHOSS-1.33-RHEL-8', 'versions': [{'status': 'unaffected', 'version': '1.33.0-5', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'openshift-serverless-1/logic-swf-builder-rhel8', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_serverless:1.33::el8'], 'vendor': 'Red Hat', 'product': 'RHOSS-1.33-RHEL-8', 'versions': [{'status': 'unaffected', 'version': '1.33.0-5', 'lessThan': '*', 'versionType': 'rpm'}], 'packageName': 'openshift-serverless-1/logic-swf-devmode-rhel8', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:red_hat_single_sign_on:7.6'], 'vendor': 'Red Hat', 'product': 'RHSSO 7.6.8', 'packageName': 'rh-sso7-keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:migration_toolkit_applications:6'], 'vendor': 'Red Hat', 'product': 'Migration Toolkit for Applications 6', 'packageName': 'mta/mta-ui-rhel8', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:migration_toolkit_applications:7'], 'vendor': 'Red Hat', 'product': 'Migration Toolkit for Applications 7', 'packageName': 'mta/mta-ui-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:service_registry:2'], 'vendor': 'Red Hat', 'product': 'Red Hat build of Apicurio Registry 2', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:jboss_data_grid:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Data Grid 8', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_brms_platform:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Decision Manager 7', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:rhdh:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Developer Hub', 'packageName': 'rhdh-hub-container', 'collectionURL': 'https://catalog.redhat.com/software/containers/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:jboss_fuse:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Fuse 7', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:jboss_data_grid:7'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Data Grid 7', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_application_platform:6'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform 6', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unknown'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_application_platform:6'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform 6', 'packageName': 'keycloak-adapter-eap6', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unknown'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_application_platform:6'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform 6', 'packageName': 'keycloak-adapter-sso7_2-eap6', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unknown'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_application_platform:6'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform 6', 'packageName': 'keycloak-adapter-sso7_3-eap6', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unknown'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_application_platform:6'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform 6', 'packageName': 'keycloak-adapter-sso7_4-eap6', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unknown'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_application_platform:6'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform 6', 'packageName': 'keycloak-adapter-sso7_5-eap6', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unknown'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_application_platform:6'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform 6', 'packageName': 'org.keycloak-keycloak-parent', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unknown'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_application_platform:6'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform 6', 'packageName': 'rh-sso7-keycloak', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unknown'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_application_platform:7'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform 7', 'packageName': 'keycloak-core', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_application_platform:8'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform 8', 'packageName': 'keycloak-core', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:jbosseapxp'], 'vendor': 'Red Hat', 'product': 'Red Hat JBoss Enterprise Application Platform Expansion Pack', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/jbossnetwork/restricted/listSoftware.html', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:jboss_enterprise_bpms_platform:7'], 'vendor': 'Red Hat', 'product': 'Red Hat Process Automation 7', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:amq_streams:1'], 'vendor': 'Red Hat', 'product': 'streams for Apache Kafka', 'packageName': 'keycloak', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'unaffected'}] -
CVE Modified by [email protected]
Jul. 08, 2025
Action Type Old Value New Value Removed Reference https://access.redhat.com/errata/RHSA-2025:9582 Removed Reference https://access.redhat.com/errata/RHSA-2025:9583 -
CVE Modified by [email protected]
Jun. 25, 2025
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2025:9582 Added Reference https://access.redhat.com/errata/RHSA-2025:9583 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2024:1860 Added Reference https://access.redhat.com/errata/RHSA-2024:1861 Added Reference https://access.redhat.com/errata/RHSA-2024:1862 Added Reference https://access.redhat.com/errata/RHSA-2024:1864 Added Reference https://access.redhat.com/errata/RHSA-2024:1866 Added Reference https://access.redhat.com/errata/RHSA-2024:1867 Added Reference https://access.redhat.com/errata/RHSA-2024:1868 Added Reference https://access.redhat.com/errata/RHSA-2024:2945 Added Reference https://access.redhat.com/errata/RHSA-2024:4057 Added Reference https://access.redhat.com/security/cve/CVE-2024-1249 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2262918 -
CVE Modified by [email protected]
Jun. 24, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:4057 [No types assigned] -
CVE Modified by [email protected]
Jun. 05, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 30, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 23, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 21, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 21, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:2945 [No types assigned] -
CVE Modified by [email protected]
May. 20, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 20, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 15, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 17, 2024
Action Type Old Value New Value Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1860 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1861 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1862 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1864 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1866 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1867 [No types assigned] -
CVE Received by [email protected]
Apr. 17, 2024
Action Type Old Value New Value Added 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. Added Reference Red Hat, Inc. https://access.redhat.com/errata/RHSA-2024:1868 [No types assigned] Added Reference Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2024-1249 [No types assigned] Added Reference Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2262918 [No types assigned] Added CWE Red Hat, Inc. CWE-346 Added CVSS V3.1 Red Hat, Inc. AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H