CVE-2021-46795 is a Time-of-Check to Time-of-Use (TOCTOU) vulnerability affecting AMD Cezanne and Renoir firmware, where a compromised BIOS could lead to out-of-bounds memory reads within the Trusted Execution Environment (TEE) OS. This vulnerability has a CVSS score of 4.7 (Medium), indicating a low-privileged attacker with high attack complexity could cause a denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.2.0.5CPE matchmatch criteria | cpe:2.3:o:amd:comboam4v2_pi_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.0.7CPE matchmatch criteria | cpe:2.3:o:amd:renoirpi-fp6_firmware:*:*:*:*:*:*:*:* | ||
< 1.0.0.6CPE matchmatch criteria | cpe:2.3:o:amd:cezannepi-fp6_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.