Vulnerability · Published May 10, 2022 · Assigned by AMD
CVE-2021-46771
High 7.8
In plain English
A high-severity improper input validation in 3rd 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 23% of all known vulnerabilities).
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 76.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Insufficient validation of addresses in AMD Secure Processor (ASP) firmware system call may potentially lead to arbitrary code execution by a compromised user application.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 3rd Gen AMD EPYC™ | unspecified – before MilanPI-SP3_1.0.0.4 |
Weakness: CWE-20