{"id":"CVE-2023-20563","aliases":["EUVD-2023-24742","GHSA-cjh4-hrfc-4xj7"],"status":"published","title":"Insufficient protections in System Management Mode (SMM) code may allow an attacker to...","description":"Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00204,"percentile":0.10376,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2023-11-14T18:54:41Z","modified":"2026-06-17T05:30:18Z","products":[{"vendor":"amd","product":"amd ryzen™  embedded 5000"},{"vendor":"amd","product":"amd ryzen™  embedded r1000"},{"vendor":"amd","product":"amd ryzen™  embedded r2000"},{"vendor":"amd","product":"amd ryzen™  embedded v3000"},{"vendor":"amd","product":"amd ryzen™ 5000 series processors with radeon™ graphics  “barcelo”"},{"vendor":"amd","product":"amd ryzen™ 6000 series processors with radeon™ graphics \"rembrandt\""},{"vendor":"amd","product":"amd ryzen™ 7030 series mobile processors with radeon™ graphics “barcelo-r”"},{"vendor":"amd","product":"amd ryzen™ 7035 series processors with radeon™ graphics “rembrandt-r”"},{"vendor":"amd","product":"ryzen_3_5100_firmware"},{"vendor":"amd","product":"ryzen_3_5125c_firmware"},{"vendor":"amd","product":"ryzen_3_5300g_firmware"},{"vendor":"amd","product":"ryzen_3_5300ge_firmware"},{"vendor":"amd","product":"ryzen_3_5400u_firmware"},{"vendor":"amd","product":"ryzen_3_5425u_firmware"},{"vendor":"amd","product":"ryzen_3_7335u_firmware"},{"vendor":"amd","product":"ryzen_3_pro_7330u_firmware"},{"vendor":"amd","product":"ryzen_3_pro_7440u_firmware"},{"vendor":"amd","product":"ryzen_5000_series_desktop_processors_with_radeon_graphics"},{"vendor":"amd","product":"ryzen_5000_series_mobile_processors_with_radeon_graphics"},{"vendor":"amd","product":"ryzen_5000_series_processors_with_radeon_graphics"},{"vendor":"amd","product":"ryzen_5_5500_firmware"},{"vendor":"amd","product":"ryzen_5_5500h_firmware"},{"vendor":"amd","product":"ryzen_5_5560u_firmware"},{"vendor":"amd","product":"ryzen_5_5600g_firmware"},{"vendor":"amd","product":"ryzen_5_5600ge_firmware"},{"vendor":"amd","product":"ryzen_5_5600h_firmware"},{"vendor":"amd","product":"ryzen_5_5600hs_firmware"},{"vendor":"amd","product":"ryzen_5_5600u_firmware"},{"vendor":"amd","product":"ryzen_5_5625u_firmware"},{"vendor":"amd","product":"ryzen_5_6600h_firmware"},{"vendor":"amd","product":"ryzen_5_6600hs_firmware"},{"vendor":"amd","product":"ryzen_5_6600u_firmware"},{"vendor":"amd","product":"ryzen_5_7500f_firmware"},{"vendor":"amd","product":"ryzen_5_7535hs_firmware"},{"vendor":"amd","product":"ryzen_5_7535u_firmware"},{"vendor":"amd","product":"ryzen_5_7600_firmware"},{"vendor":"amd","product":"ryzen_5_7600x_firmware"},{"vendor":"amd","product":"ryzen_5_pro_7530u_firmware"},{"vendor":"amd","product":"ryzen_5_pro_7540u_firmware"},{"vendor":"amd","product":"ryzen_5_pro_7545u_firmware"},{"vendor":"amd","product":"ryzen_5_pro_7640h_firmware"},{"vendor":"amd","product":"ryzen_5_pro_7640hs_firmware"},{"vendor":"amd","product":"ryzen_5_pro_7640u_firmware"},{"vendor":"amd","product":"ryzen_6000_series_processors_with_radeon_graphics"},{"vendor":"amd","product":"ryzen_7000_series_desktop_processors"},{"vendor":"amd","product":"ryzen_7030_series_mobile_processors_with_radeon_graphics"},{"vendor":"amd","product":"ryzen_7035_series_processors_with_radeon_graphics"},{"vendor":"amd","product":"ryzen_7040_series_mobile_processors_with_radeon_graphics"},{"vendor":"amd","product":"ryzen_7_5700_firmware"},{"vendor":"amd","product":"ryzen_7_5700g_firmware"},{"vendor":"amd","product":"ryzen_7_5700ge_firmware"},{"vendor":"amd","product":"ryzen_7_5800h_firmware"},{"vendor":"amd","product":"ryzen_7_5800hs_firmware"},{"vendor":"amd","product":"ryzen_7_5800u_firmware"},{"vendor":"amd","product":"ryzen_7_5825u_firmware"},{"vendor":"amd","product":"ryzen_7_6800h_firmware"},{"vendor":"amd","product":"ryzen_7_6800hs_firmware"},{"vendor":"amd","product":"ryzen_7_6800u_firmware"},{"vendor":"amd","product":"ryzen_7_7700_firmware"},{"vendor":"amd","product":"ryzen_7_7700x_firmware"},{"vendor":"amd","product":"ryzen_7_7735hs_firmware"},{"vendor":"amd","product":"ryzen_7_7735u_firmware"},{"vendor":"amd","product":"ryzen_7_7736u_firmware"},{"vendor":"amd","product":"ryzen_7_7800x3d_firmware"},{"vendor":"amd","product":"ryzen_7_pro_7730u_firmware"},{"vendor":"amd","product":"ryzen_7_pro_7840h_firmware"},{"vendor":"amd","product":"ryzen_7_pro_7840hs_firmware"},{"vendor":"amd","product":"ryzen_7_pro_7840u_firmware"},{"vendor":"amd","product":"ryzen_9_5900hs_firmware"},{"vendor":"amd","product":"ryzen_9_5900hx_firmware"},{"vendor":"amd","product":"ryzen_9_5980hs_firmware"},{"vendor":"amd","product":"ryzen_9_5980hx_firmware"},{"vendor":"amd","product":"ryzen_9_6900hs_firmware"},{"vendor":"amd","product":"ryzen_9_6900hx_firmware"},{"vendor":"amd","product":"ryzen_9_6980hs_firmware"},{"vendor":"amd","product":"ryzen_9_6980hx_firmware"},{"vendor":"amd","product":"ryzen_9_7900_firmware"},{"vendor":"amd","product":"ryzen_9_7900x3d_firmware"},{"vendor":"amd","product":"ryzen_9_7900x_firmware"},{"vendor":"amd","product":"ryzen_9_7950x3d_firmware"},{"vendor":"amd","product":"ryzen_9_7950x_firmware"},{"vendor":"amd","product":"ryzen_9_pro_7940h_firmware"},{"vendor":"amd","product":"ryzen_9_pro_7940hs_firmware"},{"vendor":"amd","product":"ryzen_embedded_5000"},{"vendor":"amd","product":"ryzen_embedded_r1000"},{"vendor":"amd","product":"ryzen_embedded_r2000"},{"vendor":"amd","product":"ryzen_embedded_v3000"},{"vendor":"amd","product":"ryzen_pro_3900_firmware"},{"vendor":"amd","product":"ryzen_pro_7645_firmware"},{"vendor":"amd","product":"ryzen_pro_7745_firmware"},{"vendor":"amd","product":"ryzen_pro_7945_firmware"},{"vendor":"amd","product":"ryzen™ 5000 series desktop processor with radeon™ graphics  “cezanne”"},{"vendor":"amd","product":"ryzen™ 5000 series mobile processors with radeon™ graphics “cezanne”"},{"vendor":"amd","product":"ryzen™ 7000 series desktop processors “raphael” xd3"},{"vendor":"amd","product":"ryzen™ 7040 series mobile processors with radeon™ graphics “phoenix” fp7/fp7r2/fp8"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001","tags":["vendor-advisory","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20563"},{"url":"https://github.com/advisories/GHSA-cjh4-hrfc-4xj7"}],"sources":{"cve":[{"id":"CVE-2023-20563","description":"Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-11-14T18:54:41.308Z","modified":"2024-10-22T13:44:05.548Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-24742","description":"Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-11-14T18:54:41Z","modified":"2024-10-22T13:44:05Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:05:22.720016Z"}],"ghsa":[{"id":"GHSA-cjh4-hrfc-4xj7","title":"Insufficient protections in System Management Mode (SMM) code may allow an attacker to...","description":"Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-11-14T21:31:00Z","modified":"2024-02-13T21:30:27Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:55:37.270786Z"}],"nvd":[{"id":"CVE-2023-20563","description":"Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-11-14T19:15:15.733Z","modified":"2026-06-17T05:30:18.99Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:08:46.647045Z"}]}}