---
cve: "CVE-2022-43974"
severity: "HIGH"
cvss: 8.1
epss: "1.7%"
vendor: "n/a"
kev: false
exploited: false
published: "2023-01-09 09:15:10"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T12:46:52+02:00"
---

# CVE-2022-43974

> 8.1 HIGH · 🧪 PoC

## Beschreibung

MatrixSSL 4.0.4 through 4.5.1 has an integer overflow in matrixSslDecodeTls13. A remote attacker might be able to send a crafted TLS Message to cause a buffer overflow and achieve remote code execution. This is fixed in 4.6.0.

## CVSS-Vektor

```
CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N
```

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

## Referenzen

- <https://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842>
- <https://github.com/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29>
- <https://github.com/matrixssl/matrixssl/blob/4-6-0-open/doc/CHANGES_v4.x.md>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-43974) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_