// For flags

CVE-2021-40109

 

Severity Score

6.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A SSRF issue was discovered in Concrete CMS through 8.5.5. Users can access forbidden files on their local network. A user with permissions to upload files from external sites can upload a URL that redirects to an internal resource of any file type. The redirect is followed and loads the contents of the file from the redirected-to server. Files of disallowed types can be uploaded.

Se ha detectado un problema de tipo SSRF en Concrete CMS versiones hasta 8.5.5. Unos usuarios pueden acceder a archivos prohibidos en su red local. Un usuario con permisos para subir archivos desde sitios externos puede subir una URL que redirija a un recurso interno de cualquier tipo de archivo. La redirección es seguida y carga el contenido del archivo desde el servidor al que se redirige. Los archivos de tipos no permitidos pueden ser cargados

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-08-25 CVE Reserved
  • 2021-09-27 CVE Published
  • 2023-04-20 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-918: Server-Side Request Forgery (SSRF)
CAPEC
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"
< 8.5.6
Search vendor "Concretecms" for product "Concrete Cms" and version " < 8.5.6"
-
Affected