CVE-2021-47667

critical · 10

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.

CVSS

36.6%

EPSS (exploit prob.)

98th

EPSS percentile

2025-04-05

Published

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

Weaknesses

CWE-78

References

https://projectblack.io/blog/zendto-nday-vulnerabilities/
https://projectblack.io/blog/zendto-nday-vulnerabilities/

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-47667