CVE & CISA-KEV Catalog

CVE-2024-11734

MEDIUM
6.5
CVSS v3
NVD

Description

A denial of service vulnerability was found in Keycloak that could allow an administrative user with the right to change realm settings to disrupt the service. This action is done by modifying any of the security headers and inserting newlines, which causes the Keycloak server to write to a request that has already been terminated, leading to the failure of said request.

How to fix

Remediation Available
rhbk/keycloakRed Hat / RHEL
Fixed in:rhel9@sha256:43c9af1192b7862d5f4f090bbeb4d060b8b4c58379074a0837e56340821f2eca_s390xRHSA-2025:0299
Fixed in:rhel9-operator@sha256:48e0529d9e86b9b9599312c9cceb6ca6aea34955c08a944f81e716cd1c656873_s390xRHSA-2025:0299
Fixed in:rhel9@sha256:dba38571032de9a02182f99ef85ee2512a9112f60622905e3e6044bbf57d3012_ppc64leRHSA-2025:0299
Fixed in:rhel9-operator@sha256:8846f0ce0c6efdd25df17864ae0d9c2979471eba31e363d32a4edc3db9280a81_ppc64leRHSA-2025:0299
Fixed in:rhel9@sha256:7d17092fee39df78518829f19d5d3d2796046bd1c8c305eb98296a4a8409cc76_amd64RHSA-2025:0299
Fixed in:operator-bundle@sha256:7e01d2b84d68279d7fb7bae6318a8460cf966a25c4eb68a1bdbf9819d0407151_amd64RHSA-2025:0299
Fixed in:rhel9-operator@sha256:e5ffa9b04609ec7678762da51bbaf987efbbd70ef26010f08f29b145bc2669f6_amd64RHSA-2025:0299
rhbk/keycloakRocky
Fixed in:rhel9@sha256:43c9af1192b7862d5f4f090bbeb4d060b8b4c58379074a0837e56340821f2eca_s390xRHSA-2025:0299
Fixed in:rhel9-operator@sha256:48e0529d9e86b9b9599312c9cceb6ca6aea34955c08a944f81e716cd1c656873_s390xRHSA-2025:0299
Fixed in:rhel9@sha256:dba38571032de9a02182f99ef85ee2512a9112f60622905e3e6044bbf57d3012_ppc64leRHSA-2025:0299
Fixed in:rhel9-operator@sha256:8846f0ce0c6efdd25df17864ae0d9c2979471eba31e363d32a4edc3db9280a81_ppc64leRHSA-2025:0299
Fixed in:rhel9@sha256:7d17092fee39df78518829f19d5d3d2796046bd1c8c305eb98296a4a8409cc76_amd64RHSA-2025:0299
Fixed in:operator-bundle@sha256:7e01d2b84d68279d7fb7bae6318a8460cf966a25c4eb68a1bdbf9819d0407151_amd64RHSA-2025:0299
Fixed in:rhel9-operator@sha256:e5ffa9b04609ec7678762da51bbaf987efbbd70ef26010f08f29b145bc2669f6_amd64RHSA-2025:0299

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.93%probability of exploitation in 30 days
56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Related Vulnerabilities

Other CWE-693 (Protection Mechanism Failure) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2013-2465Critical9.899%KEV + Ransom-
CVE-2024-21412High8.195%KEV + RansomFix
CVE-2013-0431Medium5.390%KEV + Ransom-
CVE-2025-40536High8.182%KEVFix
CVE-2019-1003030Critical9.976%KEV-
CVE-2025-0411High7.067%KEVFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-14.