CVE-2023-3939

EUVD-2023-44565

21.05.2024, 10:15

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.

OS Command Injection

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	10 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
zkteco	facedepot_7b	- ≤ 𝑥 ≤ ZAM170-NF-1.8.25-7354-Ver1.0.0	ADP
zkteco	smartec_st_fr043	𝑥 ≤ ZAM170-NF-1.8.25-7354-Ver1.0.0	ADP
zkteco	smartec_st_fr041me	𝑥 ≤ ZAM170-NF-1.8.25-7354-Ver1.0.0	ADP

Common Weakness Enumeration

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References

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