CVE-2023-3939 - CVE House
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Status published Critical CVE-2023-3939

Multiple command injection in ZkTeco-based OEM devices

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • The vulnerability was discovered by Georgy Kiguradze from Kaspersky

References

More from ZkTeco

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CVE-2023-3943
Multiple buffer overflow in ZkTeco-based OEM devices
Critical 10
CVE-2023-3942
Multiple SQLi in ZkTeco-based OEM devices
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CVE-2023-3941
Multiple arbitrary file writes in ZkTeco-based OEM devices
Critical 10
CVE-2023-3940
Multiple arbitrary file reads in ZkTeco-based OEM devices
High 7.5
CVE-2023-3938
Bypassing ZkTeco-based OEM devices/ZKTeco biometric authentication system via SQLi in QR code
Medium 4.6

Affected Vendor

Affected Software

ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0
Vulnerable Versions:
ZAM170-NF-1.8.25-7354-Ver1.0.0

Timeline

Official Publish: May 21st, 2024
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)

CWE-78

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1005 Data from Local System
Collection
T1041 Exfiltration Over C2 Channel
Exfiltration