What is the severity of CVE-2021-36342?

The severity of CVE-2021-36342 is classified as high due to its potential for arbitrary code execution.

How do I fix CVE-2021-36342?

To fix CVE-2021-36342, you should update the affected Dell firmware to versions above the specified vulnerable versions.

Who is affected by CVE-2021-36342?

Users with Dell BIOS on specific Alienware and Inspiron models using firmware versions prior to the recommended updates are affected by CVE-2021-36342.

What can an attacker do with CVE-2021-36342?

An attacker leveraging CVE-2021-36342 could execute arbitrary code within the System Management RAM (SMRAM), potentially leading to a system compromise.

Is there a workaround for CVE-2021-36342?

There are currently no specific workarounds for CVE-2021-36342; applying the firmware update is the recommended approach.

Vulnerability/
CVE-2021-36342

high

7.5

CWE

119 20

12/1/2021

4/8/2024

CVE-2021-36342: Buffer Overflow

First published: Tue Jan 12 2021(Updated: )

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.

Credit: security_alert@emc.com

Affected Software	Affected Version	How to fix
Dell Alienware 13 R3 Firmware	<1.14.0
Dell Alienware 13 R3 Firmware
Dell Alienware 15 R3 Firmware	<1.14.0
Dell Alienware 15 R3 Firmware
Dell Alienware 15 R4 Firmware	<1.15.0
Dell Alienware 15 R4 Firmware
Dell Alienware 17 R4 Firmware	<1.14.0
Dell Alienware 17 R4 Firmware
Dell Alienware 17 R5	<1.15.0
Dell Alienware m17 R5
Dell Alienware Area 51m R1 Firmware	<1.16.0
Dell Alienware Area 51m R1 Firmware
Dell Alienware Area 51m R2 Firmware	<1.11.0
Dell Alienware Area 51m R2 Firmware
Dell Alienware Aurora R11 Firmware	<1.0.10
Dell Alienware Aurora R11
Dell Alienware Aurora R12	<1.1.8
Dell Alienware Aurora R12
Dell Alienware Aurora R8	<1.0.18
Dell Alienware Aurora R8
Dell Alienware Aurora R9	<1.0.15
Dell Alienware Aurora R9
Dell Alienware m15 R1 Firmware	<2.10.0
Dell Alienware m15 R1 Firmware
Dell Alienware m15 R2 Firmware	<1.10.0
Dell Alienware m15 R2 Firmware
Dell Alienware m15 R3 Firmware	<1.12.0
Dell Alienware 15 R3
Dell Alienware M15 R4 Firmware	<1.6.2
Dell Alienware M15 R4 Firmware
Dell Alienware m17 R1 firmware	<2.10.0
Dell Alienware m17 R1 firmware
Dell Alienware m17 R2 firmware	<1.10.0
Dell Alienware m17 R2 firmware
Dell Alienware m17 R3 firmware	<1.12.0
Dell Alienware m17 R3 firmware
Dell Alienware m17 R4 Firmware	<1.6.2
Dell Alienware M17xr4
Dell Alienware x15 R1 Firmware	<1.5.0
Dell Alienware x15 R1 Firmware
Dell Alienware X17 R1 Firmware	<1.5.0
Dell Alienware X17 R1 Firmware
Dell chengming 3977 firmware	<1.14.0
Dell chengming 3977 firmware
Dell Chengming 3980 Firmware	<2.20.0
Dell Chengming 3980 Firmware
Dell Chengming 3988 Firmware	<1.8.0
Dell Chengming 3988 Firmware
Dell Chengming 3990 Firmware	<1.6.0
Dell Chengming 3990 Firmware
Dell Chengming 3991	<1.6.0
Dell chengming 3991 firmware
Dell G15 5510 Firmware	<1.6.0
Dell G15 5510 Firmware
Dell G15 5511 Firmware	<1.6.0
Dell G15 5511 Firmware
Dell G3 3500 Firmware	<1.11.0
Dell G3 3500 Firmware
Dell G3 3579 Firmware	<1.15.1
Dell G3 3579
Dell G3 3590 Firmware	<1.15.1
Dell Gaming G3 3590
Dell G3 3779	<1.18.0
Dell G3 3779 Firmware
Dell G5 5000 Firmware	<1.4.0
Dell G5 5000 Firmware
Dell G5 5090 Firmware	<1.10.0
Dell G5 5090 firmware
Dell G5 5500 Firmware	<1.11.0
Dell G5 5500 Firmware
Dell G5 5590 Firmware	<1.17.1
Dell G5 15 5590
Dell G7 15 7500 Firmware	<1.11.1
Dell G7 7500 Firmware
Dell G7 7587 Firmware	<1.18.0
Dell G7 7587 Firmware
Dell G7 7588 Firmware	<1.18.0
Dell G7 7588 Firmware
Dell G7 15 (7590) Firmware	<1.17.1
Dell G7 7590 Firmware
Dell G7 17 7700 Firmware	<1.11.1
Dell G7 7700 Firmware
Dell G7 7790	<1.17.1
Dell G7 17 7790
Dell Embedded Box PC 5000 Firmware	<1.12.0
Dell Embedded Box PC 5000
Dell Inspiron 7370 Firmware	<1.21.0
Dell Inspiron 7370 Firmware
Dell Inspiron 5378 Firmware	<1.35.0
Dell Inspiron 13 5378 Firmware
Dell Inspiron 5379 Firmware	<1.18.0
Dell Inspiron 13 2-in-1 5379
Dell Inspiron 7000 Firmware	<1.15.0
Dell Inspiron 13 7000 Firmware
Dell Inspiron 7373 Firmware	<1.21.0
Dell Inspiron 7373 Firmware
Dell Inspiron 7378 Firmware	<1.35.0
Dell Inspiron 7378
Dell Inspiron 3467 Firmware	<2.17.0
Dell Inspiron 14 3467
Dell Inspiron 14 3473 Firmware	<1.12.0
Dell Inspiron 14 3473
Dell Inspiron 5410 Firmware	<2.4.1
Dell Inspiron 5410 Firmware
Dell Precision 5820 Firmware	<2.12.1
Dell Precision 5820 Tower Firmware
Dell Precision 7820 Tower Firmware	<2.16.1
Dell Precision 7820 Tower Firmware
Dell Precision 7920 Tower Firmware	<2.16.1
Dell Precision 7920 XL Tower
Dell Inspiron 3567 Firmware	<2.17.0
Dell Inspiron 15 3567 Firmware
Dell Inspiron 15 3573 Firmware	<1.12.0
Dell Inspiron 15 3573
Dell Inspiron 15 5518 Firmware	<2.4.1
Dell Inspiron 15 5518
Dell Inspiron 5566 Firmware	<1.16.0
Dell Inspiron 5566 Firmware
Dell Inspiron 5578 Firmware	<1.35.0
Dell Inspiron 5578 Firmware
Dell Inspiron 5579 Firmware	<1.18.0
Dell Inspiron 15 5579
Dell Inspiron 5582 Firmware	<2.12.0
Dell Inspiron 5582
Dell Inspiron 7570 Firmware	<1.21.0
Dell Inspiron 7570 Firmware
Dell Inspiron 7572 Firmware	<1.9.0
Dell Inspiron 7572
Dell Inspiron 7573 Firmware	<1.21.0
Dell Inspiron 7573
Dell Inspiron 15 Gaming 7577 Firmware	<1.15.0
Dell Inspiron 15 Gaming 7577
Dell Inspiron 7773 Firmware	<1.18.0
Dell Inspiron 17 7773 Firmware
Dell Inspiron 3268 Firmware	<1.18.0
Dell Inspiron 3268 Firmware
Dell Inspiron 3277 AIO Firmware	<1.17.0
Dell Inspiron 3277 AIO Firmware
Dell Inspiron 3280 Firmware	<1.13.0
Dell Inspiron 3280
Dell Inspiron 3462 Firmware	<1.19.0
Dell Inspiron 3462
Dell Inspiron 3470 Firmware	<2.20.0
Dell Inspiron 3470
Dell Inspiron 3471 Firmware	<1.8.0
Dell Inspiron 3471 Firmware
Dell Inspiron 3472 Firmware	<1.12.0
Dell Inspiron 3472 Firmware
Dell Inspiron 3476 Firmware	<1.15.0
Dell Inspiron 3476
Dell Inspiron 3477 AIO Firmware	<1.17.0
Dell Inspiron 3477 AIO Firmware
Dell Inspiron 3480 AIO Firmware	<1.16.0
Dell Inspiron 3480
Dell Inspiron 3480 AIO Firmware	<1.13.0
Dell Inspiron 3480 AIO
Dell Inspiron 3481 Firmware	<1.15.0
Dell Inspiron 3481
Dell Inspiron 3482 Firmware	<1.11.0
Dell Inspiron 3482
Dell Inspiron 3490 Firmware	<1.15.0
Dell Inspiron 3490 Firmware
Dell Inspiron 3493 Firmware	<1.18.0
Dell Inspiron 3493 Firmware
Dell Inspiron 3501 Firmware	<1.9.0
Dell Inspiron 3501 Firmware
Dell Inspiron 3502 Firmware	<1.4.0
Dell Inspiron 3502
Dell Inspiron 15 3510 Firmware	<1.3.0
Dell Inspiron 15 3510
Dell Inspiron 3511 Firmware	<1.6.0
Dell Inspiron 15 3511
Dell Inspiron 3576 Firmware	<1.15.0
Dell Inspiron 3576 Firmware
Dell Inspiron 3580 Firmware	<1.16.0
Dell Inspiron 3580 Firmware
Dell Inspiron 3581 Firmware	<1.15.0
Dell Inspiron 3581 Firmware
Dell Inspiron 3582 Firmware	<1.11.0
Dell Inspiron 3582 Firmware
Dell Inspiron 3590 Firmware	<1.15.0
Dell Inspiron 3590 Firmware
Dell Inspiron 3593 Firmware	<1.18.0
Dell Inspiron 3593 Firmware
Dell Inspiron 3668 Firmware	<1.18.0
Dell Inspiron 3668 Firmware
Dell Inspiron 3670 Firmware	<2.20.0
Dell Inspiron 3670 Firmware
Dell Inspiron 3671 Firmware	<1.8.0
Dell Inspiron 3671 Firmware
Dell Inspiron 3780 Firmware	<1.16.0
Dell Inspiron 3780 Firmware
Dell Inspiron 3781 Firmware	<1.15.0
Dell Inspiron 3781 Firmware
Dell Inspiron 3782 Firmware	<1.11.0
Dell Inspiron 3782
Dell Inspiron 3790 Firmware	<1.15.0
Dell Inspiron 3790 Firmware
Dell Inspiron 3793 Firmware	<1.18.0
Dell Inspiron 3793 Firmware
Dell Inspiron 3880 Firmware	<1.6.0
Dell Inspiron 3880 Firmware
Dell Inspiron 3881	<1.6.0
Dell Inspiron 3881
Dell Inspiron 3891 Firmware	<1.2.2
Dell Inspiron 3891
Dell Inspiron 5300 Firmware	<1.9.0
Dell Inspiron 5300 Firmware
Dell Inspiron 5301 Firmware	<1.11.0
Dell Inspiron 5301 Firmware
Dell Inspiron 13 5310 Firmware	<2.5.0
Dell Inspiron 5310 Firmware
Dell Inspiron 5370 Firmware	<1.20.0
Dell Inspiron 5370 Firmware
Dell Inspiron 5390 Firmware	<1.14.0
Dell Inspiron 5390 Firmware
Dell Inspiron 5391 Firmware	<1.15.0
Dell Inspiron 5391 Firmware
Dell Inspiron 5400 2-in-1 Firmware	<1.9.0
Dell Inspiron 5400
Dell Inspiron 5400 AIO Firmware	<1.6.0
Dell Inspiron 5400
Dell Inspiron 5401 AIO Firmware	<1.9.0
Dell Inspiron 5401 AIO
Dell Inspiron 5401 All-in-One Firmware	<1.6.0
Dell Inspiron 5401 All-in-One
Dell Inspiron 5402 Firmware	<1.8.0
Dell Inspiron 5402
Dell Inspiron 5406 2-in-1 Firmware	<1.8.0
Dell Inspiron 5406 2-in-1 Firmware
Dell Inspiron 5408 Firmware	<1.9.0
Dell Inspiron 5408 Firmware
Dell Inspiron 5409 Firmware	<1.8.0
Dell Inspiron 5409 Firmware
Dell Inspiron 14 5410 Firmware	<2.4.0
Dell Inspiron 5410 Firmware
Dell Inspiron 5477 Firmware	<1.2.16
Dell Inspiron 5477
Dell Inspiron 5480 Firmware	<2.12.0
Dell Inspiron 5480 2-in-1
Dell Inspiron 5481 Firmware	<2.12.0
Dell Inspiron 5481 2-in-1
Dell Inspiron 5482 Firmware	<2.12.0
Dell Inspiron 5482 Firmware
Dell Inspiron 14 5490 Firmware	<1.16.1
Dell Inspiron 5490 Firmware
Dell Inspiron 5490 All-in-One Firmware	<1.11.0
Dell Inspiron 5490
Dell Inspiron 5491 Firmware	<1.12.1
Dell Inspiron 5491 2-in-1 firmware
Dell Inspiron 5493 Firmware	<1.18.0
Dell Inspiron 5493 Firmware
Dell Inspiron 5494 Firmware	<1.15.0
Dell Inspiron 5494
Dell Inspiron 5498 Firmware	<1.16.1
Dell Inspiron 5498
Dell Inspiron 5501 Firmware	<1.9.0
Dell Inspiron 5501
Dell Inspiron 5502 Firmware	<1.8.0
Dell Inspiron 5502 Firmware
Dell Inspiron 5508 Firmware	<1.9.0
Dell Inspiron 5508 Firmware
Dell Inspiron 5509 Firmware	<1.8.0
Dell Inspiron 5509
Dell Inspiron 5570 Firmware	<1.7.0
Dell Inspiron 5570
Dell Inspiron 5580 Firmware	<2.12.0
Dell Inspiron 5580 Firmware
Dell Inspiron 5583 Firmware	<1.16.0
Dell Inspiron 5583 Firmware
Dell Inspiron 5584 Firmware	<1.16.0
Dell Inspiron 5584 Firmware
Dell Inspiron 5590 Firmware	<1.16.1
Dell Inspiron 5590 Firmware
Dell Inspiron 5591 Firmware	<1.12.1
Dell Inspiron 5591 2-in-1 firmware
Dell Inspiron 5593	<1.18.0
Dell Inspiron 5593 Firmware
Dell Inspiron 5594 Firmware	<1.16.1
Dell Inspiron 5594
Dell Inspiron 5598 Firmware	<1.16.1
Dell Inspiron 5598 Firmware
Dell Inspiron 5680 Firmware	<2.8.0
Dell Inspiron 5680 Firmware
Dell Inspiron 5770 Firmware	<1.7.0
Dell Inspiron 5770 Firmware
Dell Inspiron 7300 Firmware	<1.11.0
Dell Inspiron 7300
Dell Inspiron 7300 Firmware	<1.5.0
Dell Inspiron 7300
Dell Inspiron 7306 2-in-1 firmware	<1.8.0
Dell Inspiron 7306 2-in-1 firmware
Dell Inspiron 7380 Firmware	<1.15.0
Dell Inspiron 7380 Firmware
Dell Inspiron 7386 Firmware	<1.12.0
Dell Inspiron 7386 Firmware
Dell Inspiron 7390 Firmware	<1.15.0
Dell Inspiron 7390 Firmware
Dell Inspiron 7391 Firmware	<1.13.1
Dell Inspiron 7391
Dell Inspiron 7400 Firmware	<1.11.0
Dell Inspiron 7400 Firmware
Dell Inspiron 7472 Firmware	<1.9.0
Dell Inspiron 7472 Firmware
Dell Inspiron 7490 Firmware	<1.10.0
Dell Inspiron 7490
Dell Inspiron 7500 Firmware	<1.10.0
Dell Inspiron 7500 Firmware
Dell Inspiron 7500 Firmware	<1.5.0
Dell Inspiron 7500 Firmware	>1.5.0<1.9.0
Dell Inspiron 7500 2-in-1 Firmware
Dell Inspiron 7501 Firmware	<1.10.0
Dell Inspiron 7501 Firmware
Dell Inspiron 7506 Firmware	<1.8.0
Dell Inspiron 7506 2-in-1 firmware
Dell Inspiron 15 7510 Firmware	<1.2.1
Dell Inspiron 15 7510
Dell Inspiron 7580 Firmware	<1.15.0
Dell Inspiron 7580 Firmware
Dell Inspiron 7586 Firmware	<1.12.0
Dell Inspiron 7586 Firmware
Dell Inspiron 7590 Firmware	<1.12.1
Dell Inspiron 7590 Firmware	>1.12.1<1.15.0
Dell Inspiron 7590 Firmware
Dell Inspiron 7591 Firmware	<1.12.1
Dell Inspiron 7591 Firmware	>1.12.1<1.13.1
Dell Inspiron 7591 2-in-1
Dell Inspiron 16 7610 Firmware	<1.2.1
Dell Inspiron 7610 Firmware
Dell Latitude 13 7370 Ultrabook Firmware	<1.26.3
Dell Latitude 13 7370 Ultrabook Firmware
Dell Inspiron 7700 All-in-One Firmware	<1.6.0
Dell Inspiron 7700
Dell Inspiron 7706 2-in-1 Firmware	<1.8.0
Dell Inspiron 7706 2-in-1
Dell Inspiron 7777 AIO Firmware	<1.2.16
Dell Inspiron 7777 AIO Firmware
Dell Inspiron 7786 Firmware	<1.12.0
Dell Inspiron 7786 Firmware
Dell Inspiron 7790 Firmware	<1.11.0
Dell Inspiron 7790 Firmware
Dell Inspiron 7791 Firmware	<1.13.1
Dell Inspiron 7791 Firmware
Dell Inspiron 5491 AIO Firmware	<1.11.0
Dell Inspiron 5491 AIO
Dell Latitude 12 5289 2-in-1 Firmware	<1.25.0
Dell Latitude 12 5289 2-in-1 Firmware
Dell Latitude 12 7280 Ultrabook Firmware	<1.23.0
Dell Latitude 12 7280 Ultrabook Firmware
Dell Latitude 12 7285 Firmware	<1.13.0
Dell Latitude 12 7285 Firmware
Dell Latitude 12 Rugged Extreme 7214	<1.31.0
Dell Latitude 12 Rugged Extreme 7214 Firmware
Dell Latitude 7212 Rugged Extreme Tablet Firmware	<1.35.0
Dell Latitude 7212 Rugged Extreme Tablet
Dell Latitude 13 7389 2-in-1 Firmware	<1.25.0
Dell Latitude 13 7389 2-in-1 Firmware
Dell Latitude 7390 2-in-1 Firmware	<1.21.0
Dell Latitude 7390 2-in-1 Firmware
Dell Latitude 5414 Rugged Firmware	<1.31.0
Dell Latitude Rugged 5414
Dell Latitude 3120 Firmware	<1.4.1
Dell Latitude 3120 Firmware
Dell Latitude 3180 Firmware	<1.16.0
Dell Latitude 3180 Firmware
Dell Latitude 3189 Firmware	<1.16.0
Dell Latitude 3189 Firmware
Dell Latitude 3190 Firmware	<1.17.1
Dell Latitude 3190 2-in-1
Dell Latitude 3190 2-in-1 Firmware	<1.17.1
Dell Latitude 3190 2-in-1 Firmware
Dell Latitude 3300 Firmware	<1.13.0
Dell Latitude 3300 Firmware
Dell Latitude 3301 Firmware	<1.12.1
Dell Latitude 3301 Firmware
Dell Latitude 3310 Firmware	<1.12.1
Dell Latitude 3310 Firmware
Dell Latitude 3310 2-in-1 Firmware	<1.11.1
Dell Latitude 3310
Dell Latitude 3320 Firmware	<1.7.0
Dell Latitude 3320 Firmware
Dell Latitude 3379 Firmware	<1.0.32
Dell Latitude 3379 Firmware
Dell Latitude 13 3380 Firmware	<1.16.0
Dell Latitude 3380 Firmware
Dell Latitude 3390 Firmware	<1.17.0
Dell Latitude 3390 Firmware
Dell Latitude 3400 Firmware	<1.20.0
Dell Latitude 3400 Firmware
Dell Latitude 3410 Firmware	<1.11.1
Dell Latitude 3410
Dell Latitude 3420 Firmware	<1.12.0
Dell Latitude 3420 Firmware
Dell Latitude 3470 Firmware	<1.22.0
Dell Latitude 3470 Firmware
Dell Latitude 3480 Mobile Thin Client Firmware	<1.18.0
Dell Latitude 3480 Mobile Thin Client
Dell Latitude 3490 Firmware	<1.17.0
Dell Latitude 3490 Firmware
Dell Latitude 3500 Firmware	<1.20.0
Dell Latitude 3500 Firmware
Dell Latitude 3510 Firmware	<1.11.1
Dell Latitude 3510 Firmware
Dell Latitude 3520 Firmware	<1.12.0
Dell Latitude 3520 Firmware
Dell Latitude 3551 Firmware	<1.8.1
Dell Latitude 3551 Firmware
Dell Latitude 3570 Firmware	<1.22.0
Dell Latitude 3570 Firmware
Dell Latitude 3580 Firmware	<1.18.0
Dell Latitude 3580 Firmware
Dell Latitude 3590 Firmware	<1.17.0
Dell Latitude 3590 Firmware
Dell Latitude 5175 Firmware	<1.12.0
Dell Latitude 5175 Firmware
Dell Latitude 5179 Firmware	<1.12.0
Dell Latitude 5179 Firmware
Dell Latitude 5280 Firmware	<1.22.0
Dell Latitude 5280 Firmware
Dell Latitude 5285 Firmware	<1.15.0
Dell Latitude 5285
Dell Latitude 5288 Firmware	<1.22.0
Dell Latitude 5288 Firmware
Dell Latitude 5290 Firmware	<1.19.0
Dell Latitude 5290 2-in-1
Dell Latitude 5290 2-in-1 Firmware	<1.18.0
Dell Latitude 5290 2-in-1 Firmware
Dell Latitude 5300 Firmware	<1.18.1
Dell Latitude 5300 Firmware
Dell Latitude 5300 2-in-1 Firmware	<1.18.1
Dell Latitude 5300 2-in-1 Firmware
Dell Latitude 5310 Firmware	<1.9.1
Dell Latitude 5310 Firmware
Dell Latitude 5310 2-in-1 Firmware	<1.9.1
Dell Latitude 5310
Dell Latitude 5320 Firmware	<1.13.0
Dell Latitude 5320 Firmware
Dell Latitude 5400 Firmware	<1.13.0
Dell Latitude 5400 Firmware
Dell Latitude 5401 Firmware	<1.15.1
Dell Latitude 5401 Firmware
Dell Latitude 5410 Firmware	<1.8.1
Dell Latitude 5410 Firmware
Dell Latitude 5411 Firmware	<1.8.1
Dell Latitude 5411 Firmware
Dell Latitude Rugged 5420 Firmware	<1.13.1
Dell Latitude 5420 Firmware
Dell Latitude 5480 Firmware	<1.22.0
Dell Latitude 5480 Firmware
Dell Latitude 5488 Firmware	<1.22.0
Dell Latitude 5488 Firmware
Dell Latitude 5490 Firmware	<1.19.0
Dell Latitude 5490 Firmware
Dell Latitude 5491 Firmware	<1.17.2
Dell Latitude 5491 Firmware
Dell Latitude 5500 Firmware	<1.13.0
Dell Latitude 5500 Firmware
Dell Latitude 5501 Firmware	<1.15.1
Dell Latitude 5501 Firmware
Dell Latitude 5510 Firmware	<1.8.1
Dell Latitude 5510 Firmware
Dell Latitude 5511 Firmware	<1.8.1
Dell Latitude 5511 Firmware
Dell Latitude 5520 Firmware	<1.13.0
Dell Latitude 5520 Firmware
Dell Latitude 5521 Firmware	<1.6.0
Dell Latitude 5521 Firmware
Dell Latitude 5580 firmware	<1.22.0
Dell Latitude 5580 firmware
Dell Latitude 5590 Firmware	<1.19.0
Dell Latitude 5590 Firmware
Dell Latitude 5591 Firmware	<1.17.2
Dell Latitude 5591 Firmware
Dell Latitude 7200 2-in-1 Firmware	<1.15.1
Dell Latitude 7200
Dell Latitude 7210 2-in-1 firmware	<1.9.1
Dell Latitude 7210
Dell Latitude 7275 2-in-1 Firmware	<1.12.0
Dell Latitude 7275 2-in-1 Firmware
Dell Latitude 7290 Firmware	<1.22.0
Dell Latitude 7290 Firmware
Dell Latitude 7300 Firmware	<1.15.1
Dell Latitude 7300 Firmware
Dell Latitude 7310 Firmware	<1.9.1
Dell Latitude 7310 Firmware
Dell Latitude 7320 Detachable Firmware	<1.11.3
Dell Latitude 7320 Firmware
Dell Latitude 7320 Detachable Firmware	<1.7.0
Dell Latitude 7320 Detachable Firmware
Dell Latitude 7380 Firmware	<1.23.0
Dell Latitude 7380 Firmware
Dell Latitude 7390 Firmware	<1.22.0
Dell Latitude 7390 Firmware
Dell Latitude 7400 Firmware	<1.15.1
Dell Latitude 7400 Firmware
Dell Latitude 7400 2-in-1 firmware	<1.14.1
Dell Latitude 7400
Dell Latitude 7410 Firmware	<1.9.1
Dell Latitude 7410 Firmware
Dell Latitude 7414 Rugged Extreme	<1.31.0
Dell Latitude Rugged Extreme 7414
Dell Latitude 7420 Firmware	<1.11.3
Dell Latitude 7420 Firmware
Dell Latitude 7480 Firmware	<1.23.0
Dell Latitude 7480 Firmware
Dell Latitude 7490 Firmware	<1.22.0
Dell Latitude 7490 Firmware
Dell Latitude 7520 Firmware	<1.11.3
Dell Latitude 7520 Firmware
Dell Latitude 9410 Firmware	<1.9.1
Dell Latitude 9410 Firmware
Dell Latitude 9420 Firmware	<1.6.0
Dell Latitude 9420 Firmware
Dell Latitude 9510 Firmware	<1.8.1
Dell Latitude 9510 Firmware
Dell Latitude 9520 Firmware	<1.8.0
Dell Latitude 9520 Firmware
Dell Latitude E5270	<1.28.3
Dell Latitude E5270 Firmware
Dell Latitude E5470	<1.28.3
Dell Latitude E5470 Firmware
Dell Latitude E5570 Firmware	<1.28.3
Dell Latitude E5570 Firmware
Dell Latitude E7270 Mobile Thin Client Firmware	<1.31.3
Dell Latitude E7270 Mobile Thin Client Firmware
Dell Latitude E7470 Firmware	<1.31.3
Dell Latitude E7470 Firmware
Dell Latitude 5420 Rugged Firmware	<1.15.0
Dell Latitude Rugged 5420 Firmware
Dell Latitude 5424 Rugged Firmware	<1.15.0
Dell Latitude Rugged 5424 Firmware
Dell Latitude Rugged 7220 Firmware	<1.15.1
Dell Latitude Rugged 7220 Firmware
Dell Latitude Rugged 7220EX Firmware	<1.15.1
Dell Latitude Rugged 7220EX Firmware
Dell Latitude 7424 Rugged	<1.15.0
Dell Latitude 7424 Rugged
Dell Latitude 5421 Firmware	<1.6.1
Dell Latitude 5421 Firmware
Dell OptiPlex 3040 Firmware	<1.17.1
Dell OptiPlex 3040 Firmware
Dell OptiPlex 3046 Firmware	<1.14.0
Dell OptiPlex 3046 Firmware
Dell OptiPlex 3050 Firmware	<1.18.0
Dell OptiPlex 3050 Firmware
Dell OptiPlex 3050 All-in-One Firmware	<1.19.0
Dell OptiPlex 3050
Dell Optiplex 3060 Firmware	<1.15.0
Dell OptiPlex 3060
Dell OptiPlex 3070 Firmware	<2.3.1
Dell OptiPlex 3070 Firmware
Dell OptiPlex 3080 Firmware	<2.3.1
Dell OptiPlex 3080 Firmware
Dell OptiPlex 3090 Firmware	<1.5.0
Dell OptiPlex 3090 Firmware
Dell Optiplex 3240 AIO Firmware	<1.14.0
Dell OptiPlex 3240 All-in-One Firmware
Dell OptiPlex 3280 AIO Firmware	<1.9.0
Dell OptiPlex 3280 All-in-One Firmware
Dell OptiPlex 5040 Firmware	<1.20.0
Dell OptiPlex 5040 Firmware
Dell OptiPlex 5050 Firmware	<1.18.0
Dell OptiPlex 5050 Firmware
Dell OptiPlex 5060 Firmware	<1.15.0
Dell OptiPlex 5060
Dell Optiplex 5070 Firmware	<1.10.0
Dell Optiplex 5070 Firmware
Dell OptiPlex 5080 Firmware	<1.6.0
Dell OptiPlex 5080 Firmware
Dell OptiPlex 5090 Firmware	<1.2.1
Dell OptiPlex 5090
Dell OptiPlex 5250 Firmware	<1.19.0
Dell OptiPlex 5250 Firmware
Dell OptiPlex 5260 AIO Firmware	<1.16.0
Dell OptiPlex 5260 AIO
Dell OptiPlex 5270 AIO Firmware	<1.11.0
Dell OptiPlex 5270 All-in-One Firmware
Dell Optiplex 5480 AIO Firmware	<1.9.0
Dell OptiPlex 5480
Dell OptiPlex 5490 All-in-One Firmware	<1.5.2
Dell OptiPlex 5490 All-in-One
Dell OptiPlex 7040 Firmware	<1.21.0
Dell OptiPlex 7040 Firmware
Dell OptiPlex 7050 Firmware	<1.18.0
Dell OptiPlex 7050 Firmware
Dell OptiPlex 7060 Firmware	<1.15.0
Dell OptiPlex 7060 Firmware
Dell OptiPlex 7070 Firmware	<1.10.0
Dell OptiPlex 7070
Dell OptiPlex 7070 UFF Firmware	<1.10.1
Dell OptiPlex 7070 UFF Firmware
Dell OptiPlex 7071 Firmware	<1.10.0
Dell OptiPlex 7071 Firmware
Dell OptiPlex 7080 Firmware	<1.6.0
Dell OptiPlex 7080 Firmware
Dell OptiPlex 7090 Tower Firmware	<1.2.1
Dell OptiPlex 7090 Tower Firmware
Dell OptiPlex 7090 Ultra Firmware	<1.5.0
Dell OptiPlex 7090 UFF Firmware
Dell OptiPlex 7440 AIO Firmware	<1.17.0
Dell OptiPlex 7440 AIO
Dell OptiPlex 7450 Firmware	<1.19.0
Dell OptiPlex 7450 AIO
Dell OptiPlex 7460 All-in-One Firmware	<1.16.0
Dell OptiPlex 7460 All-in-One Firmware
Dell OptiPlex AIO 7470 Firmware	<1.11.0
Dell OptiPlex 7470 All-in-One Firmware
Dell OptiPlex 7480 All-in-One Firmware	<1.9.0
Dell OptiPlex 7480 All-in-One Firmware
Dell OptiPlex 7490 All-in-One Firmware	<1.5.2
Dell OptiPlex 7490 AIO Firmware
Dell OptiPlex 7760 All-in-One Firmware	<1.16.0
Dell OptiPlex 7760 All-in-One
Dell OptiPlex 7770 All-in-One Firmware	<1.11.0
Dell OptiPlex 7770 All-in-One Firmware
Dell OptiPlex 7780 AIO Firmware	<1.9.0
Dell OptiPlex 7780 All-in-One Firmware
Dell OptiPlex XE3 Firmware	<1.15.0
Dell OptiPlex XE3 Firmware
Dell Precision 3240 Compact Firmware	<1.8.0
Dell Precision 3240 CFF Firmware
Dell Precision 3420 Tower Firmware	<2.19.0
Dell Precision 3420 Tower Firmware
Dell Precision 3430 Tower Firmware	<1.15.0
Dell Precision 3430 Tower
Dell Precision Tower 3431 Small Form Factor Firmware	<1.10.0
Dell Precision Tower 3431 Small Form Factor
Dell Precision 3440 Firmware	<1.6.0
Dell Precision 3440 Firmware
Dell Precision 3450 Firmware	<1.2.2
Dell Precision 3450 Firmware
Dell Precision 3510 Firmware	<1.28.3
Dell Precision 3510 Firmware
Dell Precision 3520 Firmware	<1.22.0
Dell Precision 3520 Firmware
Dell Precision 3530 Firmware	<1.17.2
Dell Precision 3530 Firmware
Dell Precision 3540 Firmware	<1.13.0
Dell Precision 3540 Firmware
Dell Precision 3541 Firmware	<1.15.1
Dell Precision 3541 Firmware
Dell Precision 3550 Firmware	<1.8.1
Dell Precision 3550 Firmware
Dell Precision 3560 Firmware	<1.13.0
Dell Precision 3560 Firmware
Dell Precision 3561 Firmware	<1.6.0
Dell Precision 3561 Firmware
Dell Precision 3620 Firmware	<2.19.0
Dell Precision 3620 Tower
Dell Precision 3630 Firmware	<2.11.0
Dell Precision 3630 Tower Firmware
Dell Precision 3640 Firmware	<1.10.0
Dell Precision 3640 Firmware
Dell Precision 3930 Firmware	<2.14.0
Dell Precision 3930 XL Rack
Dell Precision 5510 Firmware	<1.19.0
Dell Precision 5510 Firmware
Dell Precision 5520 Firmware	<1.25.0
Dell Precision 5520 Firmware
Dell Precision 5530 Firmware	<1.22.1
Dell Precision 5530 Firmware
Dell Precision 5530 2-in-1 Firmware	<1.16.8
Dell Precision 5530 2-in-1 Firmware
Dell Precision 5540 Firmware	<1.14.1
Dell Precision 5540 Firmware
Dell Precision 5550 Firmware	<1.10.0
Dell Precision 5550 Firmware
Dell Precision 5720 AIO Firmware	<2.12.0
Dell Precision 5720
Dell Precision 5750 Firmware	<1.10.0
Dell Precision 17 M5750 Firmware

Never miss a vulnerability like this again

Reference Links

https://www.dell.com/support/kbdoc/en-us/000193321/dsa-2021-240

Frequently Asked Questions

What is the severity of CVE-2021-36342?
The severity of CVE-2021-36342 is classified as high due to its potential for arbitrary code execution.
How do I fix CVE-2021-36342?
To fix CVE-2021-36342, you should update the affected Dell firmware to versions above the specified vulnerable versions.
Who is affected by CVE-2021-36342?
Users with Dell BIOS on specific Alienware and Inspiron models using firmware versions prior to the recommended updates are affected by CVE-2021-36342.
What can an attacker do with CVE-2021-36342?
An attacker leveraging CVE-2021-36342 could execute arbitrary code within the System Management RAM (SMRAM), potentially leading to a system compromise.
Is there a workaround for CVE-2021-36342?
There are currently no specific workarounds for CVE-2021-36342; applying the firmware update is the recommended approach.