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CVE-2021-40097

nvd nist
Published: Sep 27, 2021Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

Description

An issue was discovered in Concrete CMS through 8.5.5. Authenticated path traversal leads to to remote code execution via uploaded PHP code, related to the bFilename parameter.

Affected (1)

Concretecms
1 product
Concrete Cms
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Concrete Cms
Up to 8.5.5

Related CWEs

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (4)

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

Timeline

No history available yet.