---
cve: "CVE-2023-20548"
severity: "HIGH"
cvss: 7.1
epss: "10%"
vendor: "AMD"
kev: false
exploited: false
published: "2026-02-11 15:16:11"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-08-31T21:12:00+02:00"
---

# CVE-2023-20548

> 7.1 HIGH

## Beschreibung

A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.

## CVSS-Vektor

```
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6024.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-20548) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_