// For flags

CVE-2021-3632

keycloak: Anyone can register a new device when there is no device registered for passwordless login

Severity Score

7.5
*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. This vulnerability allows anyone to register a new security device or key when there is not a device already registered for any user by using the WebAuthn password-less login flow.

Se ha encontrado un fallo en Keycloak. Esta vulnerabilidad permite a cualquiera registrar un nuevo dispositivo de seguridad o llave cuando no se presenta un dispositivo ya registrado para ningún usuario, al usar el flujo de inicio de sesión sin contraseña de WebAuthn.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-07-01 CVE Reserved
  • 2021-09-14 CVE Published
  • 2024-04-16 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-287: Improper Authentication
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"
Single Sign-on
Search vendor "Redhat" for product "Single Sign-on"
>= 7.4 < 7.4.9
Search vendor "Redhat" for product "Single Sign-on" and version " >= 7.4 < 7.4.9"
-
Affected
in Redhat
Search vendor "Redhat"
Enterprise Linux
Search vendor "Redhat" for product "Enterprise Linux"
6.0
Search vendor "Redhat" for product "Enterprise Linux" and version "6.0"
-
Safe
Redhat
Search vendor "Redhat"
Single Sign-on
Search vendor "Redhat" for product "Single Sign-on"
>= 7.4 < 7.4.9
Search vendor "Redhat" for product "Single Sign-on" and version " >= 7.4 < 7.4.9"
-
Affected
in Redhat
Search vendor "Redhat"
Enterprise Linux
Search vendor "Redhat" for product "Enterprise Linux"
7.0
Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"
-
Safe
Redhat
Search vendor "Redhat"
Single Sign-on
Search vendor "Redhat" for product "Single Sign-on"
>= 7.4 < 7.4.9
Search vendor "Redhat" for product "Single Sign-on" and version " >= 7.4 < 7.4.9"
-
Affected
in Redhat
Search vendor "Redhat"
Enterprise Linux
Search vendor "Redhat" for product "Enterprise Linux"
8.0
Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"
-
Safe
Redhat
Search vendor "Redhat"
Keycloak
Search vendor "Redhat" for product "Keycloak"
< 15.1.0
Search vendor "Redhat" for product "Keycloak" and version " < 15.1.0"
-
Affected
Redhat
Search vendor "Redhat"
Single Sign-on
Search vendor "Redhat" for product "Single Sign-on"
7.0
Search vendor "Redhat" for product "Single Sign-on" and version "7.0"
-
Affected