{"cve":"CVE-2021-46766","nvd":{"published":"2023-11-14T19:15:10.360","modified":"2026-06-17T04:15:29.920","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.5},"cwes":["CWE-459"],"references":["https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002"],"products":["amd:epyc_9124_firmware","amd:epyc_9174f_firmware","amd:epyc_9184x_firmware","amd:epyc_9224_firmware","amd:epyc_9254_firmware","amd:epyc_9274f_firmware","amd:epyc_9334_firmware","amd:epyc_9354_firmware","amd:epyc_9354p_firmware","amd:epyc_9374f_firmware","amd:epyc_9384x_firmware","amd:epyc_9454_firmware","amd:epyc_9454p_firmware","amd:epyc_9474f_firmware","amd:epyc_9534_firmware","amd:epyc_9554_firmware","amd:epyc_9554p_firmware","amd:epyc_9634_firmware","amd:epyc_9654_firmware","amd:epyc_9654p_firmware","amd:epyc_9684x_firmware","amd:epyc_9734_firmware","amd:epyc_9754_firmware","amd:epyc_9754s_firmware","amd:ryzen_threadripper_pro_3945wx_firmware","amd:ryzen_threadripper_pro_3955wx_firmware","amd:ryzen_threadripper_pro_3975wx_firmware","amd:ryzen_threadripper_pro_3995wx_firmware"],"source":"nvd","synced_at":"2026-10-19T21:42:07.670898610+00:00"},"epss":{"cve":"CVE-2021-46766","score":0.00228,"percentile":0.13583,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}