---
cve: "CVE-2023-4562"
severity: "CRITICAL"
cvss: 9.1
epss: "85%"
vendor: "Mitsubishi Electric Corporation"
kev: false
exploited: false
published: "2023-10-13 02:15:09"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T01:56:24+02:00"
---

# CVE-2023-4562

> 9.1 CRITICAL

## Beschreibung

Improper Authentication vulnerability in Mitsubishi Electric Corporation MELSEC-F Series main modules allows a remote unauthenticated attacker to obtain sequence programs from the product or write malicious sequence programs or improper data in the product without authentication by sending illegitimate messages.

## CVSS-Vektor

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

| 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 | Keine | good |

## Referenzen

- <https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-012_en.pdf>
- <https://jvn.jp/vu/JVNVU90509290/>
- <https://www.cisa.gov/news-events/ics-advisories/icsa-23-285-13>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-4562) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_