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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (22.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
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
- AMD Epyc 7001
- AMD Epyc 7001 Firmware
- AMD Epyc 7203
References
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 (vendor-advisory, Vendor Advisory)
- www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 (vendor-advisory, 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.