CVE-2021-47667

Public Exploit

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.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.29%
Affected: Zend ZendTo
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2021-47667?
CVE-2021-47667 has been scored as a critical severity vulnerability.
How to fix CVE-2021-47667?
To fix CVE-2021-47667, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-47667 being actively exploited in the wild?
It is possible that CVE-2021-47667 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-47667?
CVE-2021-47667 affects Zend ZendTo.
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