Vulnerability · Published Jan 10, 2023 · Assigned by AMD
CVE-2021-26403
Medium 6.5
In plain English
A medium-severity insufficient verification of data authenticity in 1st Gen 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 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.1%top 97.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient checks in SEV may lead to a malicious hypervisor disclosing the launch secret potentially resulting in compromise of VM confidentiality.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 1st Gen EPYC | various |
| AMD | 2nd Gen EPYC | various |
Weakness: CWE-345 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N