cbcvebase.
CVE-2021-47667
published 2025-04-05

CVE-2021-47667: 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…

PriorityP183critical10CVSS 3.1
AVNACLPRNUINSCCHIHAH
EPSS
26.28%
97.7th percentile
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.

Affected

1 ranges
VendorProductVersion rangeFixed in
zendzendto>= 5.24-3 < 6.10-76.10-7
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.