CVE-2020-27826

keycloak: Account REST API can update user metadata attributes

Published May 28, 2021 CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-1472 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.
Github GHSA Github GHSA GHSA-m9cj-v55f-8x26 Authentication Bypass in keycloak
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 4, 2024, 4:25 PM
Reserved
Oct 27, 2020, 12:00 AM
Status
Modified
Published
May 28, 2021, 11:15 AM
Modified
Jun 17, 2026, 3:09 AM
Severity
Low
Public date
Dec 7, 2020, 12:00 AM