---
cve: "CVE-2020-37071"
severity: "CRITICAL"
cvss: 9.3
epss: "62%"
vendor: "craftcms"
kev: false
exploited: false
published: "2026-02-03 22:16:22"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T10:55:49+02:00"
---

# CVE-2020-37071

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

CraftCMS 3 vCard Plugin 1.0.0 contains a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary PHP code through a crafted payload. Attackers can generate a malicious serialized payload that triggers remote code execution by exploiting the plugin's vCard download functionality with a specially crafted request.

## CVSS-Vektor

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

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

## Referenzen

- <https://www.exploit-db.com/exploits/48492>
- <https://craftcms.com/>
- <https://plugins.craftcms.com/vcard>
- <https://gitlab.com/wguest/craftcms-vcard-exploit>
- <https://www.vulncheck.com/advisories/craftcms-vcard-plugin-remote-code-execution>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-37071) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_