CVE-2024-38371

Insufficient access control for OAuth2 Device Code flow in authentik

Severity Score

8.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

authentik is an open-source Identity Provider. Access restrictions assigned to an application were not checked when using the OAuth2 Device code flow. This could potentially allow users without the correct authorization to get OAuth tokens for an application and access it. This issue has been patched in version(s) 2024.6.0, 2024.2.4 and 2024.4.3.

authentik es un proveedor de identidades de código abierto. Las restricciones de acceso asignadas a una aplicación no se verificaron cuando se utilizó el flujo de código del dispositivo OAuth2. Potencialmente, esto podría permitir a los usuarios sin la autorización correcta obtener tokens OAuth para una aplicación y acceder a ella. Este problema se solucionó en las versiones 2024.6.0, 2024.2.4 y 2024.4.3.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-06-14 CVE Reserved
2024-06-28 CVE Published
2024-06-29 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-284: Improper Access Control
CWE-285: Improper Authorization

CAPEC

References (4)

URL	Tag	Source
https://github.com/goauthentik/authentik/releases/tag/version%2F2024.2.4	X_refsource_misc
https://github.com/goauthentik/authentik/releases/tag/version%2F2024.4.3	X_refsource_misc
https://github.com/goauthentik/authentik/releases/tag/version%2F2024.6.0	X_refsource_misc
https://github.com/goauthentik/authentik/security/advisories/GHSA-jq3m-37m7-gp45	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Goauthentik Search vendor "Goauthentik"		Authentik Search vendor "Goauthentik" for product "Authentik"				*		-		Affected