CVE-2023-20571 8.1 high EPSS 0.4%
High (8.1) in amd. EPSS 0.4% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1 8.1 high CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HEnable JavaScript to see the metric table and diagram.
EPSS 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
CWE CWE-362
Published 2023-11-14
Modified 2026-06-17
Record from the NVD, synced 2026-10-19 Affected 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 References Check your stack JSON