CVE-2021-22967

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In Concrete CMS (formerly concrete 5) below 8.5.7, IDOR Allows Unauthenticated User to Access Restricted Files If Allowed to Add Message to a Conversation.To remediate this, a check was added to verify a user has permissions to view files before attaching the files to a message in "add / edit message”.Concrete CMS security team gave this a CVSS v3.1 score of 4.3 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NCredit for discovery Adrian H

En Concrete CMS (anteriormente Concrete 5) versiones anteriores a 8.5.7, IDOR permite a un usuario no autentificado acceder a archivos restringidos si le es permitido añadir un mensaje a una conversación. Para remediar esto, ha sido añadida una comprobación para verificar que un usuario presenta permisos para visualizar los archivos antes de adjuntar los archivos a un mensaje en "add / edit message".El equipo de seguridad de Concrete CMS dio a esto una puntuación CVSS v3.1 de 4.3 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Créditos para la detección Adrian H

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-06 CVE Reserved
2021-11-19 CVE Published
2024-08-03 CVE Updated
2024-08-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-639: Authorization Bypass Through User-Controlled Key

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes	2021-11-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Concretecms Search vendor "Concretecms"		Concrete Cms Search vendor "Concretecms" for product "Concrete Cms"				< 8.5.7 Search vendor "Concretecms" for product "Concrete Cms" and version " < 8.5.7"		-		Affected