CVE-2021-46747
AMD Secure Processor: Privilege Escalation via SMN Aperture Mapping
Description
Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to map sensitive SMN (System Management Network) apertures leading to a potential escalation of privileges.
INFO
Published Date :
June 1, 2026, 7:01 p.m.
Last Modified :
June 1, 2026, 7:01 p.m.
Remotely Exploit :
No
Source :
AMD
Affected Products
The following products are affected by CVE-2021-46747
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | b58fc414-a1e4-4f92-9d70-1add41838648 |
Solution
- Apply firmware updates for AMD Secure Processor.
- Verify access controls for SMN apertures.
- Restrict access to trusted applications only.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-46747 vulnerability anywhere in the article.