CVE-2021-36342: Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI…

PriorityP428medium6.4CVSS 3.1

AVLACHPRHUINSUCHIHAH

EPSS

0.25%

16.4th percentile

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.

Affected

415 ranges· showing 25

Vendor	Product	Version range	Fixed in
dell	alienware_13_r3_firmware	< 1.14.0	1.14.0
dell	alienware_15_r3_firmware	< 1.14.0	1.14.0
dell	alienware_15_r4_firmware	< 1.15.0	1.15.0
dell	alienware_17_r4_firmware	< 1.14.0	1.14.0
dell	alienware_17_r5_firmware	< 1.15.0	1.15.0
dell	alienware_area_51m_r1_firmware	< 1.16.0	1.16.0
dell	alienware_area_51m_r2_firmware	< 1.11.0	1.11.0
dell	alienware_aurora_r11_firmware	< 1.0.10	1.0.10
dell	alienware_aurora_r12_firmware	< 1.1.8	1.1.8
dell	alienware_aurora_r8_firmware	< 1.0.18	1.0.18
dell	alienware_aurora_r9_firmware	< 1.0.15	1.0.15
dell	alienware_m15_r1_firmware	< 2.10.0	2.10.0
dell	alienware_m15_r2_firmware	< 1.10.0	1.10.0
dell	alienware_m15_r3_firmware	< 1.12.0	1.12.0
dell	alienware_m15_r4_firmware	< 1.6.2	1.6.2
dell	alienware_m17_r1_firmware	< 2.10.0	2.10.0
dell	alienware_m17_r2_firmware	< 1.10.0	1.10.0
dell	alienware_m17_r3_firmware	< 1.12.0	1.12.0
dell	alienware_m17_r4_firmware	< 1.6.2	1.6.2
dell	alienware_x15_r1_firmware	< 1.5.0	1.5.0
dell	alienware_x17_r1_firmware	< 1.5.0	1.5.0
dell	chengming_3977_firmware	< 1.14.0	1.14.0
dell	chengming_3980_firmware	< 2.20.0	2.20.0
dell	chengming_3988_firmware	< 1.8.0	1.8.0
dell	chengming_3990_firmware	< 1.6.0	1.6.0

CVSS provenance

nvdv3.16.4MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.