CVE-2021-46754 is a critical vulnerability affecting AMD Secure Processor (ASP) bootloaders due to insufficient input validation. An attacker with a compromised Uapp or ABL could force the bootloader to expose sensitive information to the System Management Unit (SMU). This allows for a potential loss of confidentiality and integrity, rated with a CVSS score of 9.1 (CRITICAL) due to its network-based attack vector and low complexity. While there is no known active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating awareness and potential interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
cezannepi-fp6_1.0.0.6CPE matchmatch criteria | cpe:2.3:o:amd:ryzen_5300g_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:* | ||
cezannepi-fp6_1.0.0.6CPE matchmatch criteria | cpe:2.3:o:amd:ryzen_5300ge_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:* | ||
cezannepi-fp6_1.0.0.6CPE matchmatch criteria | cpe:2.3:o:amd:ryzen_5500_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:* | ||
cezannepi-fp6_1.0.0.6CPE matchmatch criteria | cpe:2.3:o:amd:ryzen_5600_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:* | ||
cezannepi-fp6_1.0.0.6CPE matchmatch criteria | cpe:2.3:o:amd:ryzen_5600g_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.