CVE-2020-27838
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Redhat Keycloak
PublishedMar 8, 2021
First seenMar 8, 2021
Weakness typeCWE-287Improper authentication
How to fix
Update
- redhat keycloak13.0.0 or later
- org.keycloak:keycloak-core13.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat keycloak | v < 13.0.0 | 13.0.0 |
| redhat single_sign-on | 7.0 | — |
| org.keycloak:keycloak-coreMaven | v < 13.0.0 | 13.0.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.