Vulnerability · Published Jan 10, 2023 · Assigned by AMD
CVE-2023-20528
Low 2.4
In plain English
A low-severity improper input validation in 2nd 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 16% of all known vulnerabilities).
Severity (CVSS 3.1)2.4Low
Exploit odds (30 days)0.2%top 83.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leading to a loss of confidentiality.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 2nd Gen EPYC | various |
| AMD | 3rd Gen EPYC | various |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N