CVE-2021-36323

Name: CVE-2021-36323
Creator: NVD / NIST
Published: 2021-11-12T23:15:08.413+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2021-36323 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.23%

14.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dell	Alienware 13 R3 Firmware	< 1.13.0
Dell	Alienware 15 R3 Firmware	< 1.13.0
Dell	Alienware 15 R4 Firmware	< 1.14.0
Dell	Alienware 17 R4 Firmware	< 1.13.0
Dell	Alienware 17 R5 Firmware	< 1.14.0
Dell	Alienware Area 51m R1 Firmware	< 1.15.1
Dell	Alienware Area 51m R2 Firmware	< 1.10.0
Dell	Alienware Aurora R11 Firmware	< 1.0.9
Dell	Alienware Aurora R12 Firmware	< 1.1.7
Dell	Alienware Aurora R7 Firmware	< 1.0.25
Dell	Alienware Aurora R8 Firmware	< 1.0.17
Dell	Alienware Aurora R9 Firmware	< 1.0.14
Dell	Alienware Aurora Ryzen Edition Firmware	< 2.2.4
Dell	Alienware M15 R1 Firmware	< 2.9.0
Dell	Alienware M15 R2 Firmware	< 1.9.0
Dell	Alienware M15 R3 Firmware	< 1.11.0
Dell	Alienware M17 R1 Firmware	< 2.9.0
Dell	Alienware M17 R2 Firmware	< 1.9.0
Dell	Alienware M17 R3 Firmware	< 1.11.0
Dell	Alienware X15 R1 Firmware	< 1.4.0
Dell	Alienware X17 R1 Firmware	< 1.4.0
Dell	Chengming 3977 Firmware	< 1.13.0
Dell	Chengming 3980 Firmware	< 2.19.0
Dell	Chengming 3988 Firmware	< 1.7.0
Dell	Chengming 3990 Firmware	< 1.5.1
Dell	Chengming 3991 Firmware	< 1.5.1
Dell	G3 3579 Firmware	< 1.17.0
Dell	G3 3590 Firmware	< 1.14.0
Dell	G3 3779 Firmware	< 1.17.0
Dell	G5 5000 Firmware	< 1.3.0
Dell	G5 5090 Firmware	< 1.9.0
Dell	G5 5587 Firmware	< 1.17.0
Dell	G5 5590 Firmware	< 1.16.0
Dell	G7 7587 Firmware	< 1.17.0
Dell	G7 7588 Firmware	<= 1.17.0
Dell	G7 7590 Firmware	<= 1.16.0
Dell	G7 7790 Firmware	<= 1.16.0
Dell	Embedded Box Pc 5000 Firmware	< 1.11.0
Dell	Inspiron 13 5378 Firmware	< 1.34.0
Dell	Inspiron 13 5379 Firmware	< 1.17.0
Dell	Inspiron 14 3467 Firmware	< 2.16.0
Dell	Inspiron 14 5468 Firmware	< 1.15.0
Dell	Inspiron 15 3567 Firmware	< 2.16.0
Dell	Inspiron 15 5566 Firmware	< 1.15.0
Dell	Inspiron 15 5578 Firmware	< 1.34.0
Dell	Inspiron 15 5579 Firmware	< 1.17.0
Dell	Inspiron 15 5582 Firmware	< 2.11.0
Dell	Inspiron 15 7570 Firmware	< 1.20.0
Dell	Inspiron 15 7572 Firmware	< 1.8.0
Dell	Inspiron 15 7573 Firmware	< 1.20.0

Showing 50 of 290 affected configurations. See NVD for the full list.

References

https://www.dell.com/support/kbdoc/en-us/000192967Vendor Advisory
https://www.dell.com/support/kbdoc/en-us/000192967Vendor Advisory

Timeline

Published: Nov 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36323?

How severe is CVE-2021-36323?

CVE-2021-36323 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36323?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36323?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST