---
cve: "CVE-2022-23478"
severity: "CRITICAL"
cvss: 9.1
epss: "80%"
vendor: "neutrinolabs"
kev: false
exploited: false
published: "2022-12-09 18:15:14"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T20:03:35+02:00"
---

# CVE-2022-23478

> 9.1 CRITICAL · 🧪 PoC

## Beschreibung

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP).
xrdp < v0.9.21 contain a Out of Bound Write in xrdp_mm_trans_process_drdynvc_channel_open() function. There are no known workarounds for this issue. Users are advised to upgrade.

## CVSS-Vektor

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

## Patch verfügbar (OSV)

- 83a4d55b144693eef7ba71314d99c875d3169e06 (Commit)

## Referenzen

- <https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-2f49-wwpm-78pj>
- <https://www.debian.org/security/2023/dsa-5502>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-23478) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_