// For flags

CVE-2020-27826

keycloak: Account REST API can update user metadata attributes

Severity Score

4.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se encontró un fallo en Keycloak versiones anteriores a 12.0.0, donde es posible actualizar los atributos de metadatos del usuario usando la API REST de la cuenta. Este fallo permite a un atacante cambiar su propio atributo NameID para hacerse pasar por el usuario administrador de cualquier aplicación en particular

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-10-27 CVE Reserved
  • 2020-12-16 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-250: Execution with Unnecessary Privileges
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Redhat
Search vendor "Redhat"
 Keycloak
Search vendor "Redhat" for product "Keycloak"
 < 12.0.0
Search vendor "Redhat" for product "Keycloak" and version " < 12.0.0"
-
Affected
Redhat
Search vendor "Redhat"
 Single Sign-on
Search vendor "Redhat" for product "Single Sign-on"
-text-only
Affected
Redhat
Search vendor "Redhat"
 Single Sign-on
Search vendor "Redhat" for product "Single Sign-on"
 7.4
Search vendor "Redhat" for product "Single Sign-on" and version "7.4"
-
Affected
Redhat
Search vendor "Redhat"
 Single Sign-on
Search vendor "Redhat" for product "Single Sign-on"
 7.4.4
Search vendor "Redhat" for product "Single Sign-on" and version "7.4.4"
-
Affected