VULNERABILITY INTELLIGENCE

CVE-2020-27826

CVSS score4.2 MEDIUM
EPSS probability0.57%
CISA KEVNot currently listed
Published2021-05-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Description

A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.

Weakness classification

  • secalert@redhat.com: CWE-250

Primary references