Vulnerability · Published Jan 10, 2023 · Assigned by AMD
CVE-2021-46795
Medium 4.7
In plain English
A medium-severity security flaw in Ryzen 3000 Series 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 3% of all known vulnerabilities).
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.1%top 96.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | Ryzen 5000 Series | various |
| AMD | Ryzen 3000 Series | various |
Weakness: CWE-367 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H