---
cve: "CVE-2019-19781"
severity: "CRITICAL"
cvss: 9.8
epss: "100%"
vendor: "n/a"
kev: true
exploited: true
published: "2019-12-27 14:15:12"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-09T15:34:51+02:00"
---

# CVE-2019-19781

> 9.8 CRITICAL · ⚠️ CISA KEV (1771 Tage) · 🔓 Exploited · 🧪 PoC

## Beschreibung

An issue was discovered in Citrix Application Delivery Controller (ADC) and Gateway 10.5, 11.1, 12.0, 12.1, and 13.0. They allow Directory Traversal.

## 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 |

## Exploit-Evidenz

- [EDB-47930 — Citrix Application Delivery Controller (ADC) and Gateway 13.0 - Path Traversal](https://www.exploit-db.com/exploits/47930)
- [EDB-47913 — Citrix Application Delivery Controller and Gateway 10.5 - Remote Code Execution (Metasploit)](https://www.exploit-db.com/exploits/47913)
- [EDB-47901 — Citrix Application Delivery Controller and Citrix Gateway - Remote Code Execution (PoC)](https://www.exploit-db.com/exploits/47901)

## Referenzen

- <https://support.citrix.com/article/CTX267027>
- <https://www.kb.cert.org/vuls/id/619785>
- <https://twitter.com/bad_packets/status/1215431625766424576>
- <https://badpackets.net/over-25000-citrix-netscaler-endpoints-vulnerable-to-cve-2019-19781/>
- <https://forms.gle/eDf3DXZAv96oosfj6>
- <http://packetstormsecurity.com/files/155904/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution.html>
- <http://packetstormsecurity.com/files/155930/Citrix-Application-Delivery-Controller-Gateway-10.5-Remote-Code-Execution.html>
- <http://packetstormsecurity.com/files/155905/Citrix-Application-Delivery-Controller-Gateway-Remote-Code-Execution-Traversal.html>
- <http://packetstormsecurity.com/files/155947/Citrix-ADC-NetScaler-Directory-Traversal-Remote-Code-Execution.html>
- <http://packetstormsecurity.com/files/155972/Citrix-ADC-Gateway-Path-Traversal.html>
- <https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-19781>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2019-19781) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_