CVE-2021-36343
Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
- CVSS 3.1
- 6.4
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-10-25)
- CWEs
- CWE-20, CWE-119
- Published
- Modified
- Record from
- the NVD, synced
Affected
- dell:alienware_13_r3_firmware
- dell:alienware_15_r3_firmware
- dell:alienware_15_r4_firmware
- dell:alienware_17_r4_firmware
- dell:alienware_17_r5_firmware
- dell:alienware_area_51m_r1_firmware
- dell:alienware_area_51m_r2_firmware
- dell:alienware_aurora_r11_firmware
- dell:alienware_aurora_r12_firmware
- dell:alienware_aurora_r8_firmware
- dell:alienware_aurora_r9_firmware
- dell:alienware_m15_r1_firmware
- dell:alienware_m15_r2_firmware
- dell:alienware_m15_r3_firmware
- dell:alienware_m15_r4_firmware
- dell:alienware_m17_r1_firmware
- dell:alienware_m17_r2_firmware
- dell:alienware_m17_r3_firmware
- dell:alienware_m17_r4_firmware
- dell:alienware_x15_r1_firmware
- dell:alienware_x17_r1_firmware
- dell:chengming_3977_firmware
- dell:chengming_3980_firmware
- dell:chengming_3988_firmware
- dell:chengming_3990_firmware
- dell:chengming_3991_firmware
- dell:dell_g15_5510_firmware
- dell:dell_g15_5511_firmware
- dell:dell_g3_3500_firmware
- dell:dell_g3_3579_firmware
- dell:dell_g3_3590_firmware
- dell:dell_g3_3779_firmware
- dell:dell_g5_5000_firmware
- dell:dell_g5_5090_firmware
- dell:dell_g5_5500_firmware
- dell:dell_g5_5590_firmware
- dell:dell_g7_7500_firmware
- dell:dell_g7_7587_firmware
- dell:dell_g7_7588_firmware
- dell:dell_g7_7590_firmware
- dell:dell_g7_7700_firmware
- dell:dell_g7_7790_firmware
- dell:embedded_box_pc_5000_firmware
- dell:inspiron_13_5378_firmware
- dell:inspiron_13_5379_firmware
- dell:inspiron_13_7000_firmware
- dell:inspiron_13_7370_firmware
- dell:inspiron_13_7373_firmware
- dell:inspiron_13_7378_firmware
- dell:inspiron_14_3467_firmware