---
cve: "CVE-2016-20090"
severity: "HIGH"
cvss: 8.5
epss: "0.2%"
vendor: "Comodo"
kev: false
exploited: false
published: "2026-06-19 15:16:32"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-10-02T22:18:50+02:00"
---

# CVE-2016-20090

> 8.5 HIGH · 🧪 PoC

## Beschreibung

Comodo Dragon Browser versions up to 52.15.25.663 contain a privilege escalation vulnerability in the DragonUpdater service due to an unquoted service path running with SYSTEM privileges. A local attacker can insert a malicious executable in the service path and execute arbitrary code with elevated privileges upon service restart or system reboot.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

```
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://www.exploit-db.com/exploits/40471>
- <https://www.comodo.com>
- <http://yildirimyunus.com>
- <https://www.comodo.com/home/browsers-toolbars/browser.php>
- <https://www.vulncheck.com/advisories/comodo-dragon-browser-privilege-escalation-via-unquoted-service-path>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2016-20090) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_