{"cve":"CVE-2021-46753","nvd":{"published":"2023-05-09T19:15:11.040","modified":"2026-06-17T04:15:26.600","status":"Modified","description":"Failure to validate the length fields of the ASP\n(AMD Secure Processor) sensor fusion hub headers may allow an attacker with a\nmalicious Uapp or ABL to map the ASP sensor fusion hub region and overwrite\ndata structures leading to a potential loss of confidentiality and integrity.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":[],"references":["https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001"],"products":["amd:athlon_gold_3150g_firmware","amd:athlon_gold_3150ge_firmware","amd:athlon_silver_3050ge_firmware","amd:ryzen_1200_\\(af\\)_firmware","amd:ryzen_1600_\\(af\\)_firmware","amd:ryzen_2200g_firmware","amd:ryzen_2200ge_firmware","amd:ryzen_2300x_firmware","amd:ryzen_2400g_firmware","amd:ryzen_2400ge_firmware","amd:ryzen_2500x_firmware","amd:ryzen_2600_firmware","amd:ryzen_2600e_firmware","amd:ryzen_2600x_firmware","amd:ryzen_2700_firmware","amd:ryzen_2700e_firmware","amd:ryzen_2700x_firmware","amd:ryzen_2920x_firmware","amd:ryzen_2950x_firmware","amd:ryzen_2970wx_firmware","amd:ryzen_2990wx_firmware","amd:ryzen_3100_firmware","amd:ryzen_3300x_firmware","amd:ryzen_3500_firmware","amd:ryzen_3500x_firmware","amd:ryzen_3600_firmware","amd:ryzen_3600x_firmware","amd:ryzen_3600xt_firmware","amd:ryzen_3800x_firmware","amd:ryzen_3800xt_firmware","amd:ryzen_3900_firmware","amd:ryzen_3900x_firmware","amd:ryzen_3900xt_firmware","amd:ryzen_3950x_firmware","amd:ryzen_5300g_firmware","amd:ryzen_5300ge_firmware","amd:ryzen_5500_firmware","amd:ryzen_5600_firmware","amd:ryzen_5600g_firmware","amd:ryzen_5600ge_firmware","amd:ryzen_5600x_firmware","amd:ryzen_5700g_firmware","amd:ryzen_5700ge_firmware","amd:ryzen_5700x_firmware","amd:ryzen_5800_firmware","amd:ryzen_5800x3d_firmware","amd:ryzen_5800x_firmware","amd:ryzen_5900_firmware","amd:ryzen_5900x_firmware","amd:ryzen_5945wx_firmware"],"source":"nvd","synced_at":"2026-10-19T21:38:18.424950729+00:00"},"epss":{"cve":"CVE-2021-46753","score":0.0056,"percentile":0.4661,"date":"2026-10-31"},"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."]}