---
cve: "CVE-2021-3770"
severity: "HIGH"
cvss: 8.6
epss: "74%"
vendor: "vim"
kev: false
exploited: false
published: "2021-09-06 12:15:08"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T21:14:36+02:00"
---

# CVE-2021-3770

> 8.6 HIGH · 🧪 PoC

## Beschreibung

vim is vulnerable to Heap-based Buffer Overflow

## CVSS-Vektor

```
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- ddfc05100a29263a682dd96bb924dfde4354a654 (Commit)
- b7081e135a16091c93f6f5f7525a5c58fb7ca9f9 (Commit)

## Referenzen

- <https://huntr.dev/bounties/016ad2f2-07c1-4d14-a8ce-6eed10729365>
- <https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2CJLY3CF55I2ULG2X4ENXLSXAXYW5J4/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4FFQARG3LGREPDZRI4C7ERQL3RJKEWQ/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZFNTMVZCN4TRTTCAXRLVQ7H2P7FYAIZQ/>
- <http://www.openwall.com/lists/oss-security/2021/10/01/1>
- <https://security.gentoo.org/glsa/202208-32>
- <https://security.netapp.com/advisory/ntap-20221124-0003/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-3770) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_