CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-26316
High (7.8) in amd. EPSS 0.3% chance of exploitation in the next 30 days.
Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)
- CWE
- CWE-20
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amd:athlon_3050ge_firmware
- amd:athlon_3150g_firmware
- amd:athlon_3150ge_firmware
- amd:athlon_gold_3150c_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_3045b_firmware
- amd:athlon_pro_3145b_firmware
- amd:athlon_silver_3050c_firmware
- amd:athlon_silver_3050e_firmware
- amd:athlon_silver_3050ge_firmware
- amd:athlon_silver_3050u_firmware
- amd:athlon_silver_pro_3125ge_firmware
- amd:epyc_7002_firmware
- amd:epyc_7003_firmware
- amd:epyc_7232p_firmware
- amd:epyc_7252_firmware
- amd:epyc_7262_firmware
- amd:epyc_7272_firmware
- amd:epyc_7282_firmware
- amd:epyc_72f3_firmware
- amd:epyc_7302_firmware
- amd:epyc_7302p_firmware
- amd:epyc_7313_firmware
- amd:epyc_7313p_firmware
- amd:epyc_7343_firmware
- amd:epyc_7352_firmware
- amd:epyc_7373x_firmware
- amd:epyc_73f3_firmware
- amd:epyc_7402_firmware
- amd:epyc_7402p_firmware
- amd:epyc_7413_firmware
- amd:epyc_7443_firmware
- amd:epyc_7443p_firmware
- amd:epyc_7452_firmware
- amd:epyc_7453_firmware
- amd:epyc_74f3_firmware
- amd:epyc_7502_firmware
- amd:epyc_7502p_firmware
- amd:epyc_7513_firmware
- amd:epyc_7532_firmware
- amd:epyc_7542_firmware
- amd:epyc_7543_firmware
- amd:epyc_7543p_firmware
- amd:epyc_7552_firmware
- amd:epyc_7573x_firmware
- amd:epyc_75f3_firmware
- amd:epyc_7642_firmware