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CVE-2020-27838

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.

NVD
Severity: MEDIUM
CVE ID: CVE-2020-27838
CVSS Score: 6.5
CVSS Metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Refrence: NVD MITRE

Proof Of Concept

Nuclei Templates for CVE-2020-27838

Refrence: Project Discovery GitHub

Description
Proof Of Concept