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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2023-20548

CVE-2023-20548

HIGH7.1

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

Published Feb 11, 2026

Modified 1 months ago

Details

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.

References

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

https://www.cve.org/CVERecord?id=CVE-2023-20548

CVSS Analysis

CVSS v4.0

7.1

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

HighAC:H

Attack Requirements

NoneAT:N

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

LowVC:L

Vuln. Integrity

HighVI:H

Vuln. Availability

LowVA:L

Subsequent System

Subseq. Confidentiality

LowSC:L

Subseq. Integrity

HighSI:H

Subseq. Availability

LowSA:L

7.1/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

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedFeb 11, 2026

ModifiedFeb 11, 2026

CVE-2023-20548 | Mondoo Vulnerability Intelligence