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Vulnerability details: VCID-x37n-chds-gkef
Vulnerability ID VCID-x37n-chds-gkef
Aliases CVE-2024-1249
GHSA-m6q9-p373-g5q8
Summary Keycloak's unvalidated cross-origin messages in checkLoginIframe leads to DDoS A potential security flaw in the "checkLoginIframe" which allows unvalidated cross-origin messages, enabling potential DDoS attacks. By exploiting this vulnerability, attackers could coordinate to send millions of requests in seconds using simple code, significantly impacting the application's availability without proper origin validation for incoming messages. #### Acknowledgements Special thanks to Adriano Márcio Monteiro from BRZTEC for reporting this issue and helping us improve our project.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-346 Origin Validation Error
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 7.4 https://access.redhat.com/errata/RHSA-2024:1860
generic_textual HIGH https://access.redhat.com/errata/RHSA-2024:1860
ssvc Track https://access.redhat.com/errata/RHSA-2024:1860
cvssv3.1 7.4 https://access.redhat.com/errata/RHSA-2024:1861
generic_textual HIGH https://access.redhat.com/errata/RHSA-2024:1861
ssvc Track https://access.redhat.com/errata/RHSA-2024:1861
cvssv3.1 7.4 https://access.redhat.com/errata/RHSA-2024:1862
generic_textual HIGH https://access.redhat.com/errata/RHSA-2024:1862
ssvc Track https://access.redhat.com/errata/RHSA-2024:1862
cvssv3.1 7.4 https://access.redhat.com/errata/RHSA-2024:1864
generic_textual HIGH https://access.redhat.com/errata/RHSA-2024:1864
ssvc Track https://access.redhat.com/errata/RHSA-2024:1864
cvssv3.1 7.4 https://access.redhat.com/errata/RHSA-2024:1866
generic_textual HIGH https://access.redhat.com/errata/RHSA-2024:1866
ssvc Track https://access.redhat.com/errata/RHSA-2024:1866
cvssv3.1 7.4 https://access.redhat.com/errata/RHSA-2024:1867
generic_textual HIGH https://access.redhat.com/errata/RHSA-2024:1867
ssvc Track https://access.redhat.com/errata/RHSA-2024:1867
cvssv3.1 7.4 https://access.redhat.com/errata/RHSA-2024:1868
generic_textual HIGH https://access.redhat.com/errata/RHSA-2024:1868
ssvc Track https://access.redhat.com/errata/RHSA-2024:1868
cvssv3.1 7.4 https://access.redhat.com/errata/RHSA-2024:2945
generic_textual HIGH https://access.redhat.com/errata/RHSA-2024:2945
ssvc Track https://access.redhat.com/errata/RHSA-2024:2945
cvssv3.1 7.4 https://access.redhat.com/errata/RHSA-2024:4057
generic_textual HIGH https://access.redhat.com/errata/RHSA-2024:4057
ssvc Track https://access.redhat.com/errata/RHSA-2024:4057
cvssv3 7.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-1249.json
cvssv3.1 7.4 https://access.redhat.com/security/cve/CVE-2024-1249
generic_textual HIGH https://access.redhat.com/security/cve/CVE-2024-1249
ssvc Track https://access.redhat.com/security/cve/CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
epss 0.00131 https://api.first.org/data/v1/epss?cve=CVE-2024-1249
cvssv3.1 7.4 https://bugzilla.redhat.com/show_bug.cgi?id=2262918
generic_textual HIGH https://bugzilla.redhat.com/show_bug.cgi?id=2262918
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2262918
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-m6q9-p373-g5q8
cvssv3.1 7.4 https://github.com/keycloak/keycloak
generic_textual HIGH https://github.com/keycloak/keycloak
cvssv3.1 7.4 https://github.com/keycloak/keycloak/commit/9d9817e15a07195f16f554b7f60ee3a918369e26
generic_textual HIGH https://github.com/keycloak/keycloak/commit/9d9817e15a07195f16f554b7f60ee3a918369e26
cvssv3.1 7.4 https://github.com/keycloak/keycloak/commit/e3598a53678a1e3698e78eb71e04ba10ca32e5e2
generic_textual HIGH https://github.com/keycloak/keycloak/commit/e3598a53678a1e3698e78eb71e04ba10ca32e5e2
cvssv3.1 7.4 https://github.com/keycloak/keycloak/security/advisories/GHSA-m6q9-p373-g5q8
cvssv3.1_qr HIGH https://github.com/keycloak/keycloak/security/advisories/GHSA-m6q9-p373-g5q8
generic_textual HIGH https://github.com/keycloak/keycloak/security/advisories/GHSA-m6q9-p373-g5q8
cvssv3.1 7.4 https://nvd.nist.gov/vuln/detail/CVE-2024-1249
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2024-1249
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2024:1860
https://access.redhat.com/errata/RHSA-2024:1861
https://access.redhat.com/errata/RHSA-2024:1862
https://access.redhat.com/errata/RHSA-2024:1864
https://access.redhat.com/errata/RHSA-2024:1866
https://access.redhat.com/errata/RHSA-2024:1867
https://access.redhat.com/errata/RHSA-2024:1868
https://access.redhat.com/errata/RHSA-2024:2945
https://access.redhat.com/errata/RHSA-2024:4057
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-1249.json
https://access.redhat.com/security/cve/CVE-2024-1249
https://api.first.org/data/v1/epss?cve=CVE-2024-1249
https://bugzilla.redhat.com/show_bug.cgi?id=2262918
https://github.com/keycloak/keycloak
https://github.com/keycloak/keycloak/commit/9d9817e15a07195f16f554b7f60ee3a918369e26
https://github.com/keycloak/keycloak/commit/e3598a53678a1e3698e78eb71e04ba10ca32e5e2
https://github.com/keycloak/keycloak/security/advisories/GHSA-m6q9-p373-g5q8
https://nvd.nist.gov/vuln/detail/CVE-2024-1249
cpe:/a:redhat:amq_broker:7.12 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:amq_broker:7.12
cpe:/a:redhat:amq_streams:1 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:amq_streams:1
cpe:/a:redhat:build_keycloak:22 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:build_keycloak:22
cpe:/a:redhat:build_keycloak:22::el9 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:build_keycloak:22::el9
cpe:/a:redhat:jboss_data_grid:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_data_grid:7
cpe:/a:redhat:jboss_data_grid:8 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_data_grid:8
cpe:/a:redhat:jbosseapxp https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jbosseapxp
cpe:/a:redhat:jboss_enterprise_application_platform:6 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_application_platform:6
cpe:/a:redhat:jboss_enterprise_application_platform:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_application_platform:7
cpe:/a:redhat:jboss_enterprise_application_platform:8 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_application_platform:8
cpe:/a:redhat:jboss_enterprise_bpms_platform:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_bpms_platform:7
cpe:/a:redhat:jboss_enterprise_brms_platform:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_brms_platform:7
cpe:/a:redhat:jboss_fuse:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_fuse:7
cpe:/a:redhat:migration_toolkit_applications:6 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:migration_toolkit_applications:6
cpe:/a:redhat:migration_toolkit_applications:7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:migration_toolkit_applications:7
cpe:/a:redhat:openshift_serverless:1.33::el8 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openshift_serverless:1.33::el8
cpe:/a:redhat:red_hat_single_sign_on:7.6 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:red_hat_single_sign_on:7.6
cpe:/a:redhat:red_hat_single_sign_on:7.6::el7 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:red_hat_single_sign_on:7.6::el7
cpe:/a:redhat:red_hat_single_sign_on:7.6::el8 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:red_hat_single_sign_on:7.6::el8
cpe:/a:redhat:red_hat_single_sign_on:7.6::el9 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:red_hat_single_sign_on:7.6::el9
cpe:/a:redhat:rhdh:1 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhdh:1
cpe:/a:redhat:rhosemc:1.0::el8 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:rhosemc:1.0::el8
cpe:/a:redhat:service_registry:2 https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:service_registry:2
GHSA-m6q9-p373-g5q8 https://github.com/advisories/GHSA-m6q9-p373-g5q8
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2024:1860
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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none

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unchanged

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://access.redhat.com/errata/RHSA-2024:1860
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2024:1861
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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unchanged

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://access.redhat.com/errata/RHSA-2024:1861
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2024:1862
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

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low

none

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://access.redhat.com/errata/RHSA-2024:1862
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2024:1864
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://access.redhat.com/errata/RHSA-2024:1864
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2024:1866
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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required

unchanged

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high

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://access.redhat.com/errata/RHSA-2024:1866
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2024:1867
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

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high

low

none

high

low

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low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://access.redhat.com/errata/RHSA-2024:1867
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2024:1868
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://access.redhat.com/errata/RHSA-2024:1868
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2024:2945
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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none

required

unchanged

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none

high

low

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://access.redhat.com/errata/RHSA-2024:2945
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/errata/RHSA-2024:4057
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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unchanged

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://access.redhat.com/errata/RHSA-2024:4057
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-1249.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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none

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unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://access.redhat.com/security/cve/CVE-2024-1249
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

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none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://access.redhat.com/security/cve/CVE-2024-1249
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=2262918
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-04-25T17:33:02Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2262918
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://github.com/keycloak/keycloak
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://github.com/keycloak/keycloak/commit/9d9817e15a07195f16f554b7f60ee3a918369e26
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

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required

unchanged

changed

high

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none

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low

none

high

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://github.com/keycloak/keycloak/commit/e3598a53678a1e3698e78eb71e04ba10ca32e5e2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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unchanged

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low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://github.com/keycloak/keycloak/security/advisories/GHSA-m6q9-p373-g5q8
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2024-1249
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.33441
EPSS Score 0.00131
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:30:18.552065+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-m6q9-p373-g5q8/GHSA-m6q9-p373-g5q8.json 37.0.0