Information Exposure Affecting org.keycloak:keycloak-services package, versions [,13.0.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
11.75% (96th percentile)

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  • Snyk IDSNYK-JAVA-ORGKEYCLOAK-1083831
  • published9 Mar 2021
  • disclosed9 Mar 2021
  • creditAdam Devoe

Introduced: 9 Mar 2021

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

How to fix?

Upgrade org.keycloak:keycloak-services to version 13.0.0 or higher.

Overview

org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services.

Affected versions of this package are vulnerable to Information Exposure. 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.

CVSS Scores

version 3.1