CVE-2020-27838

MediumCVSS 6.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 8, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-27838: Medium severity, CVSS 6.5 | Vulnix