NVD

CVE-2023-6841 Detail

Modified After Enrichment

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

Description

A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: Red Hat, Inc.

Base Score: 7.5 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/security/cve/CVE-2023-6841	Red Hat, Inc.	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2254714	Red Hat, Inc.	Issue Tracking Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information	NIST
CWE-231	Improper Handling of Extra Values	Red Hat, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

CVE Modified by Red Hat, Inc. 6/17/2026 2:51:31 AM

Action

Type

Old Value

New Value

Added

Affected

[{"defaultStatus":"unaffected","collectionURL":"https://github.com/keycloak/keycloak","packageName":"keycloak","versions":[{"version":"0","lessThan":"24.0.0","versionType":"semver","status":"affected"}]},{"vendor":"Red Hat","product":"Red Hat build of Quarkus","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"keycloak","cpes":["cpe:/a:redhat:openshift_application_runtimes:1.0"]},{"vendor":"Red Hat","product":"Red Hat Fuse 7","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"keycloak","cpes":["cpe:/a:redhat:jboss_fuse:7"]},{"vendor":"Red Hat","product":"Red Hat Mobile Application Platform 4","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"keycloak","cpes":["cpe:/a:redhat:mobile_application_platform:4"]},{"vendor":"Red Hat","product":"Red Hat OpenShift Application Runtimes","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"keycloak","cpes":["cpe:/a:redhat:openshift_application_runtimes:1.0"]},{"vendor":"Red Hat","product":"Red Hat Process Automation 7","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"keycloak","cpes":["cpe:/a:redhat:jboss_enterprise_bpms_platform:7"]},{"vendor":"Red Hat","product":"Red Hat Single Sign-On 7","defaultStatus":"affected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"rh-sso7-keycloak","cpes":["cpe:/a:redhat:red_hat_single_sign_on:7"]},{"vendor":"Red Hat","product":"Red Hat support for Spring Boot","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"keycloak","cpes":["cpe:/a:redhat:openshift_application_runtimes:1.0"]}]

Initial Analysis by NIST 9/23/2024 11:19:55 AM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added	CWE		NIST NVD-CWE-noinfo
Added	CPE Configuration		OR cpe:2.3:a:redhat:keycloak:-::::::: cpe:2.3:a:redhat:single_sign-on:7.0:::::::
Changed	Reference Type	https://access.redhat.com/security/cve/CVE-2023-6841 No Types Assigned	https://access.redhat.com/security/cve/CVE-2023-6841 Vendor Advisory
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=2254714 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=2254714 Issue Tracking, Vendor Advisory

New CVE Received from Red Hat, Inc. 9/10/2024 1:15:15 PM

Action	Type	New Value
Added	Description	A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values.
Added	CVSS V3.1	Red Hat, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added	CWE	Red Hat, Inc. CWE-231
Added	Reference	Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2023-6841 [No types assigned]
Added	Reference	Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2254714 [No types assigned]

Quick Info

CVE Dictionary Entry:
CVE-2023-6841
NVD Published Date:
09/10/2024
NVD Last Modified:
06/17/2026
Source:
Red Hat, Inc.

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