CVE-2018-10894

MEDIUM

Keycloak - Improper Certificate Validation in SAML Authentication

Title source: llm
STIX 2.1

Description

It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.

References (5)

Core 5
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3592
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3593
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3595
Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:0877

Scores

CVSS v3 5.4
EPSS 0.0005
EPSS Percentile 17.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Details

CWE
CWE-295 CWE-345
Status published
Products (4)
org.keycloak/keycloak-saml-adapter-core 0 - 4.4.0.FinalMaven
org.keycloak/keycloak-services 0 - 4.4.0.FinalMaven
redhat/keycloak 3.4.3
redhat/single_sign-on 7.2
Published Aug 01, 2018
Tracked Since Feb 18, 2026