---
cve: "CVE-2021-3796"
severity: "HIGH"
cvss: 8.2
epss: "1.8%"
vendor: "vim"
kev: false
exploited: false
published: "2021-09-15 13:15:08"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-16T01:17:07+02:00"
---

# CVE-2021-3796

> 8.2 HIGH · 🧪 PoC

## Beschreibung

vim is vulnerable to Use After Free

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 35a9a00afcb20897d462a766793ff45534810dc3 (Commit)

## Referenzen

- <https://huntr.dev/bounties/ab60b7f3-6fb1-4ac2-a4fa-4d592e08008d>
- <https://github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3>
- <http://www.openwall.com/lists/oss-security/2021/10/01/1>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/>
- <https://lists.debian.org/debian-lts-announce/2022/01/msg00003.html>
- <https://security.gentoo.org/glsa/202208-32>
- <https://security.netapp.com/advisory/ntap-20221118-0004/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-3796) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_