CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2023-20555
High (7.8) in amd. EPSS 0.3% chance of exploitation in the next 30 days.
Insufficient input validation in
CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting
an arbitrary bit in an attacker-controlled pointer potentially leading to
arbitrary code execution in SMM.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 25% of CVEs (scores of 2026-10-31)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amd:athlon_3015ce_firmware
- amd:athlon_3015e_firmware
- amd:athlon_gold_3150c_firmware
- amd:athlon_gold_3150g_firmware
- amd:athlon_gold_3150ge_firmware
- amd:athlon_gold_3150u_firmware
- amd:athlon_gold_pro_3150g_firmware
- amd:athlon_gold_pro_3150ge_firmware
- amd:athlon_pro_300ge_firmware
- amd:athlon_pro_3045b_firmware
- amd:athlon_pro_3145b_firmware
- amd:athlon_silver_3050c_firmware
- amd:athlon_silver_3050e_firmware
- amd:athlon_silver_3050u_firmware
- amd:ryzen_3_3300_firmware
- amd:ryzen_3_3300u_firmware
- amd:ryzen_3_3300x_firmware
- amd:ryzen_3_3350u_firmware
- amd:ryzen_3_4100_firmware
- amd:ryzen_3_4300u_firmware
- amd:ryzen_3_5100_firmware
- amd:ryzen_3_5125c_firmware
- amd:ryzen_3_5300g_firmware
- amd:ryzen_3_5300ge_firmware
- amd:ryzen_3_5300u_firmware
- amd:ryzen_3_5400u_firmware
- amd:ryzen_3_5425u_firmware
- amd:ryzen_3_7320u_firmware
- amd:ryzen_3_pro_7330u_firmware
- amd:ryzen_4700s_firmware
- amd:ryzen_5_3450u_firmware
- amd:ryzen_5_3500c_firmware
- amd:ryzen_5_3500u_firmware
- amd:ryzen_5_3550h_firmware
- amd:ryzen_5_3580u_firmware
- amd:ryzen_5_3600_firmware
- amd:ryzen_5_3600x_firmware
- amd:ryzen_5_4500_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_5500_firmware
- amd:ryzen_5_5500u_firmware
- amd:ryzen_5_5560u_firmware
- amd:ryzen_5_5600_firmware
- amd:ryzen_5_5600g_firmware
- amd:ryzen_5_5600ge_firmware
- amd:ryzen_5_5600h_firmware