CVE-2023-6841

Name: CVE-2023-6841
Creator: NVD / NIST
Published: 2024-09-10T17:15:15.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2023-6841 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

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

CVSS 3.1

7.5/10

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

EPSS Probability

0.74%

49.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-231

Affected Software

Vendor	Product	Versions
Redhat	Keycloak	All versions
Redhat	Single Sign-On	7.0

References

https://access.redhat.com/security/cve/CVE-2023-6841Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2254714Issue Tracking, Vendor Advisory

Timeline

Published: Sep 10, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-6841?

How severe is CVE-2023-6841?

CVE-2023-6841 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6841?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-6841?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST