CVE-2021-47667 CRITICAL

CVE-2021-47667

Vendor Zend
Product ZendTo
Weakness CWE-78
Published April 5, 2025
Last update April 7, 2025

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

An OS command injection vulnerability in lib/NSSDropoff.php in ZendTo 5.24-3 through 6.x before 6.10-7 allows unauthenticated remote attackers to execute arbitrary commands via shell metacharacters in the tmp_name parameter when dropping off a file via a POST /dropoff request.

Key dates

02Disclosure timeline

April 5, 2025 CVE published
April 7, 2025 Record updated