CVE-2021-46791 is a medium-severity vulnerability affecting AMD Milan processors (MilanPI and MilanPI_firmware). It stems from insufficient input validation during the parsing of System Management Mode (SMM) binaries, allowing a malicious SMM executable to corrupt Dynamic Root of Trust for Measurement (DRTM) user application memory. This local attack, with low complexity and requiring low privileges, can lead to a denial of service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.0.3CPE matchmatch criteria | cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.