CVE-2021-47667: OS Command Injection
Published Apr 5, 2025
·Updated
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 tmpname parameter when dropping off a file via a POST /dropoff request.
Affected Software
1 affected component
ZendTo ZendTo>=5.24-3<6.10-7
Event History
Apr 5, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2021-47667?
CVE-2021-47667 is considered a critical vulnerability due to its potential for unauthorized remote command execution.
2
How do I fix CVE-2021-47667?
To fix CVE-2021-47667, upgrade your ZendTo installation to version 6.10-7 or later.
3
Who is affected by CVE-2021-47667?
CVE-2021-47667 affects all versions of ZendTo from 5.24-3 through 6.x before 6.10-7.
4
Can CVE-2021-47667 be exploited remotely?
Yes, CVE-2021-47667 can be exploited by unauthenticated remote attackers.
5
What specifically can attackers do with CVE-2021-47667?
Attackers can execute arbitrary operating system commands via the tmp_name parameter when using the dropoff feature.