---
cve: "CVE-2021-47756"
severity: "HIGH"
cvss: 8.4
epss: "0.2%"
vendor: "laravel"
kev: false
exploited: false
published: "2026-01-16 00:16:20"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T20:03:23+02:00"
---

# CVE-2021-47756

> 8.4 HIGH · 🧪 PoC

## Beschreibung

Laravel Valet versions 1.1.4 to 2.0.3 contain a local privilege escalation vulnerability that allows users to modify the valet command with root privileges. Attackers can edit the symlinked valet command to execute arbitrary code with root permissions without additional authentication.

## CVSS-Vektor

```
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/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 | Hoch | good |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://www.exploit-db.com/exploits/50591>
- <https://laravel.com/docs/8.x/valet>
- <https://www.vulncheck.com/advisories/laravel-valet-local-privilege-escalation-macos>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-47756) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_