Vulnerability · Published Apr 5, 2025 · Assigned by mitre
CVE-2021-47667
Critical 10.0
In plain English
A critical-severity OS command injection in ZendTo from Zend. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 36.4% (higher than 98% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)36.4%top 1.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H