GHSA-pcv5-m2wh-66j3
Keycloak discloses information without authentication
At a glance
- Published
- Updated
- CVE
- CVE-2020-27838
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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.
Affected packages
| Package | Versions |
|---|---|
| Maven · org.keycloak:keycloak-core | introduced 0, fixed 13.0.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-27838 ADVISORY
- https://github.com/keycloak/keycloak/pull/7790 WEB
- https://github.com/keycloak/keycloak/commit/9356843c6c3d7097d010b3bb6f91e25fcaba378c WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=1906797 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |