VULNERABILITY INTELLIGENCE

CVE-2020-27838

CVSS score6.5 MEDIUM
EPSS probability17.87%
CISA KEVNot currently listed
Published2021-03-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

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.

Weakness classification

  • secalert@redhat.com: CWE-287

Primary references