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CVE-2021-40109

nvd nist
Published: Sep 27, 2021Modified: Nov 21, 2024

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6.4
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Exploitability: 3.1 / Impact: 2.7
Source: NVD

Description

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.

Affected (1)

Concretecms
1 product
Concrete Cms
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Concrete Cms
Before 8.5.6

Related CWEs

CWE-918
Server-Side Request Forgery (SSRF)
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

References (4)

Source: cve@mitre.org
Release NotesVendor Advisory
Source: cve@mitre.org
Permissions Required
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions Required

Timeline

No history available yet.