VulnerabilityModified
CVE-2021-46766
Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.
MEDIUM 5.5EPSS 0.23%
Does this matter?
Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.
Description
Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.23% probability · 14th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-459
- Affected
- amd/epyc 9654p firmware · amd/epyc 9654 firmware · amd/epyc 9634 firmware · amd/epyc 9554p firmware · amd/epyc 9554 firmware · amd/epyc 9534 firmware · amd/epyc 9474f firmware · amd/epyc 9454p firmware · amd/epyc 9454 firmware · amd/epyc 9374f firmware · amd/epyc 9354p firmware · amd/epyc 9354 firmware · amd/epyc 9334 firmware · amd/epyc 9274f firmware · amd/epyc 9254 firmware · amd/epyc 9224 firmware · amd/epyc 9174f firmware · amd/epyc 9124 firmware · amd/epyc 9684x firmware · amd/epyc 9384x firmware · +8 more
- Source
- psirt@amd.com
References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.