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Status published
Low
CVE-2023-20521
TOCTOU in the ASP Bootloader may allow an attacker with...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” AM4, Ryzen™ Threadripper™ 2000 Series Processors “Colfax”, Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” FP5, Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”, Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics “Picasso” FP5, 1st Gen AMD EPYC™ Processors, 2nd Gen AMD EPYC™ Processors, 3rd Gen AMD EPYC™ Processors, AMD EPYC™ Embedded 3000, AMD EPYC™ Embedded 7002, AMD EPYC™ Embedded 7003, AMD Ryzen™ Embedded R1000, AMD Ryzen™ Embedded R2000, AMD Ryzen™ Embedded V1000
Vulnerable Versions:
various
Timeline
Official Publish:
November 14th, 2023
Last Modified:
August 2nd, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.