Improper Authentication Affecting rh-sso7-keycloak-server package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
27.61% (97th percentile)

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  • Snyk IDSNYK-RHEL7-RHSSO7KEYCLOAKSERVER-4478186
  • published26 Mar 2023
  • disclosed11 Dec 2020

Introduced: 11 Dec 2020

CVE-2020-27838  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 rh-sso7-keycloak-server.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rh-sso7-keycloak-server package and not the rh-sso7-keycloak-server package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authentication which could be an issue if the same PUBLIC client changed to CONFIDENTIAL later. The highest threat from this vulnerability is to data confidentiality.

CVSS Scores

version 3.1