Vulnerability in AMD 1st Gen Epyc™
CVE-2021-26408
Insufficient validation of elliptic curve points in SEV-legacy firmware may compromise SEV-legacy guest migration potentially resulting in loss of guest's integrity or confidentiality.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (18.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.1% 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™ — versions unspecified
- AMD 2nd Gen Epyc™ — versions unspecified
- AMD Epyc 7001
- AMD Epyc 7001 Firmware
- AMD Epyc 7002
- AMD Epyc 7002 Firmware
- AMD Epyc 7232p
- AMD Epyc 7232p Firmware
- AMD Epyc 7251
- AMD Epyc 7251 Firmware
References
- www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-26408?
- CVE-2021-26408 is a high-severity vulnerability in AMD 1st Gen Epyc™. CVSS score: 7.1/10. Published 2022-05-10.
- How severe is CVE-2021-26408?
- High severity. CVSS v3 base score is 7.1 out of 10.