---
cve: "CVE-2020-35636"
severity: "CRITICAL"
cvss: 10.0
epss: "3.3%"
vendor: "n/a"
kev: false
exploited: false
published: "2021-03-04 20:15:13"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T07:34:06+02:00"
---

# CVE-2020-35636

> 10.0 CRITICAL

## Beschreibung

A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1 in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sface() sfh->volume() OOB read. A specially crafted malformed file can lead to an out-of-bounds read and type confusion, which could lead to code execution. An attacker can provide malicious input to trigger this vulnerability.

## CVSS-Vektor

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

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

## Referenzen

- <https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225>
- <https://lists.debian.org/debian-lts-announce/2022/12/msg00011.html>
- <https://security.gentoo.org/glsa/202305-34>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-35636) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_