GitHub Advisoryadvisory · Maven

GHSA-pcv5-m2wh-66j3 Keycloak discloses information without authentication

MEDIUM Published 2022-05-24 Modified 2024-04-22 Official page ↗
Aliases
CVE-2020-27838
Ecosystem
Maven
Packages
org.keycloak:keycloak-core
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weaknesses
CWE-287
Reviewed
2024-04-22

Affected packages

• Maven org.keycloak:keycloak-core: < 13.0.0 → fixed in 13.0.0

Description

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.

Related

Alias · CVE (1)

  • CVE-2020-27838 A flaw was found in keycloak in versions prior to 13.0.0. vulnerability

Weakness · CWE (1)

  • CWE-287 Improper Authentication weakness

References