{"cve":"CVE-2022-23821","nvd":{"published":"2023-11-14T19:15:10.520","modified":"2026-06-17T04:30:50.517","status":"Modified","description":"Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.","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:H","score":9.8},"cwes":[],"references":["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-4002","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001"],"products":["amd:athlon_3015ce_firmware","amd:athlon_3015e_firmware","amd:ryzen_3_3100_firmware","amd:ryzen_3_3200u_firmware","amd:ryzen_3_3250c_firmware","amd:ryzen_3_3250u_firmware","amd:ryzen_3_3300u_firmware","amd:ryzen_3_3300x_firmware","amd:ryzen_3_3350u_firmware","amd:ryzen_3_4300u_firmware","amd:ryzen_3_5100_firmware","amd:ryzen_3_5125c_firmware","amd:ryzen_3_5400u_firmware","amd:ryzen_3_5425u_firmware","amd:ryzen_3_7335u_firmware","amd:ryzen_5_3450u_firmware","amd:ryzen_5_3500_firmware","amd:ryzen_5_3500c_firmware","amd:ryzen_5_3500u_firmware","amd:ryzen_5_3500x_firmware","amd:ryzen_5_3550h_firmware","amd:ryzen_5_3580u_firmware","amd:ryzen_5_3600_firmware","amd:ryzen_5_3600x_firmware","amd:ryzen_5_3600xt_firmware","amd:ryzen_5_4500u_firmware","amd:ryzen_5_4600h_firmware","amd:ryzen_5_4600hs_firmware","amd:ryzen_5_4600u_firmware","amd:ryzen_5_4680u_firmware","amd:ryzen_5_55003xd_firmware","amd:ryzen_5_5500_firmware","amd:ryzen_5_5500h_firmware","amd:ryzen_5_5500x_firmware","amd:ryzen_5_5560u_firmware","amd:ryzen_5_56003xd_firmware","amd:ryzen_5_5600_firmware","amd:ryzen_5_5600h_firmware","amd:ryzen_5_5600hs_firmware","amd:ryzen_5_5600u_firmware","amd:ryzen_5_5600x_firmware","amd:ryzen_5_5625u_firmware","amd:ryzen_5_6600h_firmware","amd:ryzen_5_6600hs_firmware","amd:ryzen_5_6600u_firmware","amd:ryzen_5_7535hs_firmware","amd:ryzen_5_7535u_firmware","amd:ryzen_5_pro_3350g_firmware","amd:ryzen_5_pro_3350ge_firmware","amd:ryzen_5_pro_3400g_firmware"],"source":"nvd","synced_at":"2026-10-19T21:42:07.670898610+00:00"},"epss":{"cve":"CVE-2022-23821","score":0.00989,"percentile":0.62501,"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."]}