CVEvulnerability

CVE-2020-27826

4.2 MEDIUM Published 2021-05-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-05-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.2 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:N/AC:M/Au:S/C:P/I:P/A:N
Weaknesses
CWE-250

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.

Affected configurations

• redhat keycloak (< 12.0.0) • redhat single sign-on • redhat single sign-on 7.4 • redhat single sign-on 7.4.4

Related

Weakness · CWE (1)

  • CWE-250 Execution with Unnecessary Privileges weakness

References