---
cve: "CVE-2023-7243"
severity: "CRITICAL"
cvss: 9.8
epss: "0.8%"
vendor: "CISA"
kev: false
exploited: false
published: "2024-03-01 21:15:07"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-23T07:26:34+02:00"
---

# CVE-2023-7243

> 9.8 CRITICAL

## Beschreibung

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat 
Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds 
write while analyzing specific Ethercat datagrams. This could allow an 
attacker to cause arbitrary code execution.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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 | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://www.cisa.gov/news-events/ics-advisories/icsa-24-051-02>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-7243) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_