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Status published
Critical
CVE-2021-47667
An OS command injection vulnerability in lib/NSSDropoff.php in ZendTo 5.24-3...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
More from Zend
View All →Affected Vendor
Zend
View all reports →Affected Software
ZendTo
Vulnerable Versions:
5.24-3
Timeline
Official Publish:
April 5th, 2025
Last Modified:
April 7th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H