CVE-2023-6927

MEDIUM

Redhat Keycloak < 23.0.4 - Open Redirect

Title source: rule

Description

A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.

References (14)

[Vendor Advisory] https://access.redhat.com/security/cve/CVE-2023-6927

[Issue Tracking, Vendor Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=2255027

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0094

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0095

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0096

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0097

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0098

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0100

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0101

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0798

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0799

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0800

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0801

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2024:0804

Scores

CVSS v3 4.6

EPSS 0.0084

EPSS Percentile 74.4%

Attack Vector NETWORK

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

Classification

CWE

CWE-601

Status published

Affected Products (3)

redhat/keycloak

redhat/single_sign-on

org.keycloak/keycloak-core < 23.0.4Maven

Timeline

Published Dec 18, 2023

Tracked Since Feb 18, 2026