CVE-2023-3597

Medium

Description

A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication.

SeverityMedium

CVSS5.0

Exploit probability—

ProductOrg.keycloak:keycloak-services

PublishedApr 25, 2024

First seenApr 25, 2024

Weakness typeCWE-287Improper authentication

How to fix

Update

org.keycloak:keycloak-services22.0.10, 24.0.3 or later

Vendor advisories

access.redhat.com/errata/RHSA-2024:1866
access.redhat.com/errata/RHSA-2024:1867
access.redhat.com/errata/RHSA-2024:1868

Affected products

Product	Affected versions	Fixed in
org.keycloak:keycloak-servicesMaven	v < 22.0.10, 23.0.0 ≤ v < 24.0.3	22.0.10, 24.0.3

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