RHSA-2021:5218: Important: Red Hat Single Sign-On 7.5.0 security update on RHEL 7

Published Dec 20, 2021
·
Updated

Red Hat Single Sign-On 7.5 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.This is an asynchronous patch for Red Hat Single Sign-On 7.5, and includes one security fix.Security Fix: keycloak: Incorrect authorization allows unpriviledged users to create other users (CVE-2021-4133) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

2 affected componentsFixes available
redhat/rh-sso7-keycloak<15.0.2-3.redhat_00002.1.el7
15.0.2-3.redhat_00002.1.el7
redhat/rh-sso7-keycloak-server<15.0.2-3.redhat_00002.1.el7
15.0.2-3.redhat_00002.1.el7

Remediation

Event History

Jun 3, 2026
Advisory Published
via Red Hat·09:04 PM
Data Sourced
via Red Hat·09:04 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2021:5218?

The severity of RHSA-2021:5218 is classified as important.

2

How do I fix RHSA-2021:5218?

To fix RHSA-2021:5218, update the rh-sso7-keycloak and rh-sso7-keycloak-server packages to version 15.0.2-3.redhat_00002.1.el7.

3

What are the affected versions for RHSA-2021:5218?

The affected versions for RHSA-2021:5218 are versions prior to 15.0.2-3.redhat_00002.1.el7.

4

What software is impacted by RHSA-2021:5218?

RHSA-2021:5218 impacts Red Hat Single Sign-On 7.5 based on the Keycloak project.

5

When was RHSA-2021:5218 released?

RHSA-2021:5218 was released as an asynchronous patch in response to identified security issues.

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