Vulnerability · Published Jan 10, 2023 · Assigned by AMD
CVE-2021-26404
Medium 5.5
In plain English
A medium-severity improper input validation in 3rd 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 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 91.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper input validation and bounds checking in SEV firmware may leak scratch buffer bytes leading to potential information disclosure.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 3rd Gen EPYC | various |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N