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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2023-20521 Detail

Current Description

TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.


View Analysis Description

Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 Vendor Advisory 
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 Vendor Advisory 
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 Vendor Advisory 
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 Vendor Advisory 
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001

Weakness Enumeration

CWE-ID CWE Name Source
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-20521
NVD Published Date:
11/14/2023
NVD Last Modified:
11/21/2024
Source:
Advanced Micro Devices Inc.