CVE-2021-47667

CRITICAL

ZendTo 5.24-3-6.x < 6.10-7 - Unauthenticated OS Command Injection via tmp_name Parameter

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1

Scores

CVSS v3 10.0
EPSS 0.2628
EPSS Percentile 97.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-78
Status published
Products (1)
Zend/ZendTo 5.24-3 - 6.10-7
Published Apr 05, 2025
Tracked Since Feb 18, 2026