Vulnerability · Published May 10, 2022 · Assigned by AMD
CVE-2021-26408
High 7.1
In plain English
A high-severity security flaw in 1st Gen AMD EPYC™ from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS NVD)7.1High
Exploit odds (30 days)0.3%top 80.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 1st Gen AMD EPYC™ | unspecified – before NaplesPI-SP3_1.0.0.G |
| AMD | 2nd Gen AMD EPYC™ | unspecified – before RomePI-SP3_1.0.0.C |