Vulnerability in Amd 1st Gen Epyc™ Processors
CVE-2023-20526
Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.
EPSS: 0.001 (19.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 1.9 (Low). Vector: CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N.
Affected products
- Amd 1st Gen Epyc™ Processors — versions various
- Amd 2nd Gen Epyc™ Processors — versions various
- Amd 3rd Gen Epyc™ Processors — versions various
- Amd Epyc™ Embedded 3000 — versions various
- Amd Epyc™ Embedded 7002 — versions various
- Amd Epyc™ Embedded 7003 — versions various
- Amd Ryzen™ Threadripper™ 2000 Series Processors “Colfax” — versions various
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 (vendor-advisory)
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 (vendor-advisory)
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 (vendor-advisory)
Frequently asked questions
- What is CVE-2023-20526?
- CVE-2023-20526 is a low-severity vulnerability in Amd 1st Gen Epyc™ Processors. CVSS score: 1.9/10. Published 2023-11-14.
- How severe is CVE-2023-20526?
- Low severity. CVSS v3 base score is 1.9 out of 10.