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.
References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1906797 Issue Tracking Vendor Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: redhat

Published: 2021-03-08T21:41:27

Updated: 2021-03-08T21:41:27

Reserved: 2020-10-27T00:00:00


Link: CVE-2020-27838

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-03-08T22:15:13.423

Modified: 2021-03-15T14:32:39.003


Link: CVE-2020-27838

JSON object: View

cve-icon Redhat Information

No data.

CWE