{"cve":"CVE-2023-20571","nvd":{"published":"2023-11-14T19:15:15.977","modified":"2026-06-17T05:30:20.437","status":"Modified","description":"A race condition in System Management Mode (SMM) code may allow an attacker using a compromised user space to leverage CVE-2018-8897 potentially resulting in privilege escalation.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-362"],"references":["https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002"],"products":["amd:ryzen_3_5100_firmware","amd:ryzen_3_5125c_firmware","amd:ryzen_3_5300g_firmware","amd:ryzen_3_5300ge_firmware","amd:ryzen_3_5400u_firmware","amd:ryzen_3_5425u_firmware","amd:ryzen_3_7335u_firmware","amd:ryzen_3_pro_7330u_firmware","amd:ryzen_3_pro_7440u_firmware","amd:ryzen_5_5500_firmware","amd:ryzen_5_5500h_firmware","amd:ryzen_5_5560u_firmware","amd:ryzen_5_5600g_firmware","amd:ryzen_5_5600ge_firmware","amd:ryzen_5_5600h_firmware","amd:ryzen_5_5600hs_firmware","amd:ryzen_5_5600u_firmware","amd:ryzen_5_5625u_firmware","amd:ryzen_5_6600h_firmware","amd:ryzen_5_6600hs_firmware","amd:ryzen_5_6600u_firmware","amd:ryzen_5_7500f_firmware","amd:ryzen_5_7535hs_firmware","amd:ryzen_5_7535u_firmware","amd:ryzen_5_7600_firmware","amd:ryzen_5_7600x_firmware","amd:ryzen_5_pro_7530u_firmware","amd:ryzen_5_pro_7540u_firmware","amd:ryzen_5_pro_7545u_firmware","amd:ryzen_5_pro_7640h_firmware","amd:ryzen_5_pro_7640hs_firmware","amd:ryzen_5_pro_7640u_firmware","amd:ryzen_7_5700_firmware","amd:ryzen_7_5700g_firmware","amd:ryzen_7_5700ge_firmware","amd:ryzen_7_5800h_firmware","amd:ryzen_7_5800hs_firmware","amd:ryzen_7_5800u_firmware","amd:ryzen_7_5825u_firmware","amd:ryzen_7_6800h_firmware","amd:ryzen_7_6800hs_firmware","amd:ryzen_7_6800u_firmware","amd:ryzen_7_7700_firmware","amd:ryzen_7_7700x_firmware","amd:ryzen_7_7735hs_firmware","amd:ryzen_7_7735u_firmware","amd:ryzen_7_7736u_firmware","amd:ryzen_7_7800x3d_firmware","amd:ryzen_7_pro_7730u_firmware","amd:ryzen_7_pro_7840h_firmware"],"source":"nvd","synced_at":"2026-10-19T21:42:07.670898610+00:00"},"epss":{"cve":"CVE-2023-20571","score":0.00447,"percentile":0.38913,"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."]}