Arbitrary file upload in CMS Made Simple - CVE-2020-10682

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Main Vulnerability Database Vulnerabilities #VU34712

Arbitrary file upload in CMS Made Simple - CVE-2020-10682

Published: March 20, 2020 / Updated: August 8, 2020


Vulnerability identifier: #VU34712
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-10682
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
CMS Made Simple
Software vendor:
cmsmadesimple.org

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The Filemanager in CMS Made Simple 2.2.13 allows remote code execution via a .php.jpegd JPEG file, as demonstrated by m1_files[] to admin/moduleinterface.php. The file should be sent as application/octet-stream and contain PHP code (it need not be a valid JPEG file).


Remediation

Install update from vendor's website.

External links