---
cve: "CVE-2023-42659"
severity: "CRITICAL"
cvss: 9.1
epss: "90%"
vendor: "Progress Software Corporation"
kev: false
exploited: false
published: "2023-11-07 16:15:28"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-05T23:43:05+02:00"
---

# CVE-2023-42659

> 9.1 CRITICAL

## Beschreibung

In WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified.  An authenticated Ad Hoc Transfer user has the ability to craft an API call which allows them to upload a file to a specified location on the underlying operating system hosting the WS_FTP Server application.

## CVSS-Vektor

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

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

## Referenzen

- <https://www.progress.com/ws_ftp>
- <https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2023>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-42659) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_