---
cve: "CVE-2021-47986"
severity: "HIGH"
cvss: 7.7
epss: "12%"
vendor: "parse-community"
kev: false
exploited: false
published: "2026-06-25 22:16:58"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-09T22:53:27+02:00"
---

# CVE-2021-47986

> 7.7 HIGH · 🧪 PoC

## Beschreibung

Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork. Attackers could exploit this by specifying affected version tags in dependency declarations to execute unreviewed and potentially malicious code.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |

## Referenzen

- <https://github.com/parse-community/parse-server/security/advisories/GHSA-593v-wcqx-hq2w>
- <https://www.vulncheck.com/advisories/parse-server-unreviewed-code-execution-via-malicious-version-tags>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-47986) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_