---
cve: "CVE-2023-40044"
severity: "CRITICAL"
cvss: 10.0
epss: "90.1%"
vendor: "Progress Software Corporation"
kev: true
exploited: true
published: "2023-09-27 15:18:57"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-04T04:17:20+02:00"
---

# CVE-2023-40044

> 10.0 CRITICAL · ⚠️ CISA KEV (1065 Tage) · 🔓 Exploited · 🧪 PoC

## Beschreibung

In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a pre-authenticated attacker could leverage a .NET deserialization vulnerability in the Ad Hoc Transfer module to execute remote commands on the underlying WS_FTP Server operating system.

## 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://www.progress.com/ws_ftp>
- <https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023>
- <https://www.theregister.com/2023/10/02/ws_ftp_update/>
- <https://www.rapid7.com/blog/post/2023/09/29/etr-critical-vulnerabilities-in-ws_ftp-server/>
- <https://attackerkb.com/topics/bn32f9sNax/cve-2023-40044>
- <https://censys.com/cve-2023-40044/>
- <https://www.assetnote.io/resources/research/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044>
- <http://packetstormsecurity.com/files/174917/Progress-Software-WS_FTP-Unauthenticated-Remote-Code-Execution.html>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-40044>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-40044) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_