CVE-2023-3939

Multiple command injection in ZkTeco-based OEM devices

Description

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in ZkTeco-based OEM devices allows OS Command Injection. Since all the found command implementations are executed from the superuser, their impact is the maximum possible. This issue affects ZkTeco-based OEM devices (ZkTeco ProFace X, Smartec ST-FR043, Smartec ST-FR041ME and possibly others) with the ZAM170-NF-1.8.25-7354-Ver1.0.0 and possibly other.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 1.13% Top 25%
Affected: ZkTeco ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0
Published at:
Updated at:

References

Link Tags
https://github.com/klsecservices/Advisories/blob/master/K-ZkTeco-2023-002.md

Frequently Asked Questions

What is the severity of CVE-2023-3939?
CVE-2023-3939 has been scored as a critical severity vulnerability.
How to fix CVE-2023-3939?
To fix CVE-2023-3939, 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-2023-3939 being actively exploited in the wild?
It is possible that CVE-2023-3939 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3939?
CVE-2023-3939 affects ZkTeco ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0.
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