CVE-2020-27838
Keycloak discloses information without authentication
6.5
MEDIUM
CVSS 3.1
EPSS 17.9%
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.
How to fix CVE-2020-27838
To remediate CVE-2020-27838, upgrade the affected package to a fixed version below.
- —upgrade to 13.0.0 or later
Is CVE-2020-27838 being exploited?
Moderate — EPSS is 17.9%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 13.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |