CVE-2023-6841

HIGH

Keycloak < 24.0.0 - Denial of Service via Unlimited Attribute Values

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Vendor Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-6841
Issue Tracking, Vendor Advisory issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2254714

Scores

CVSS v3 7.5
EPSS 0.0061
EPSS Percentile 70.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-231
Status published
Products (3)
org.keycloak/keycloak-core 0 - 24.0.0Maven
redhat/keycloak
redhat/single_sign-on 7.0
Published Sep 10, 2024
Tracked Since Feb 18, 2026