---
cve: "CVE-2023-21643"
severity: "CRITICAL"
cvss: 9.1
epss: "0.2%"
vendor: "Qualcomm, Inc."
kev: false
exploited: false
published: "2023-08-08 10:15:13"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-25T20:49:40+01:00"
---

# CVE-2023-21643

> 9.1 CRITICAL

## Beschreibung

Memory corruption due to untrusted pointer dereference in automotive during system call.

## CNA-Record (Kanon, cvelistV5)

- CNA: **qualcomm**
- State: PUBLISHED
- Stand: 2024-08-02 09:44:01
- CNA-CVSS: **9.1** (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L`)

## CVSS-Vektor

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

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

## Schwachstellen-Klasse

- **CWE-822** — Untrusted Pointer Dereference
  The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.

## Angriffsmuster (CAPEC)

- [CAPEC-129 — Pointer Manipulation](https://capec.mitre.org/data/definitions/129.html) _(Severity: Medium)_

## Referenzen

- <https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2023-21643/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_