---
cve: "CVE-2023-3939"
severity: "CRITICAL"
cvss: 10.0
epss: "1.3%"
vendor: "ZKTeco"
kev: false
exploited: false
published: "2024-05-21 10:15:09"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T23:11:53+02:00"
---

# CVE-2023-3939

> 10.0 CRITICAL · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-3939) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_