CVE-2021-36323

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Summary

CVECVE-2021-36323
StatePUBLISHED
Assignerdell
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-11-12 23:15:08 UTC
Updated2026-10-08 21:17:37 UTC
DescriptionDell 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.

Risk And Classification

Primary CVSS: v3.1 6.7 MEDIUM from [email protected]

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

Problem Types: CWE-20 | CWE-20 CWE-20: Improper Input Validation

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.7MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Dell Alienware 13 R3 - All All All
Operating System Dell Alienware 13 R3 Firmware All All All All
Hardware Dell Alienware 15 R3 - All All All
Operating System Dell Alienware 15 R3 Firmware All All All All
Hardware Dell Alienware 15 R4 - All All All
Operating System Dell Alienware 15 R4 Firmware All All All All
Hardware Dell Alienware 17 R4 - All All All
Operating System Dell Alienware 17 R4 Firmware All All All All
Hardware Dell Alienware 17 R5 - All All All
Operating System Dell Alienware 17 R5 Firmware All All All All
Hardware Dell Alienware Area 51m R1 - All All All
Operating System Dell Alienware Area 51m R1 Firmware All All All All
Hardware Dell Alienware Area 51m R2 - All All All
Operating System Dell Alienware Area 51m R2 Firmware All All All All
Hardware Dell Alienware Aurora R11 - All All All
Operating System Dell Alienware Aurora R11 Firmware All All All All
Hardware Dell Alienware Aurora R12 - All All All
Operating System Dell Alienware Aurora R12 Firmware All All All All
Hardware Dell Alienware Aurora R7 - All All All
Operating System Dell Alienware Aurora R7 Firmware All All All All
Hardware Dell Alienware Aurora R8 - All All All
Operating System Dell Alienware Aurora R8 Firmware All All All All
Hardware Dell Alienware Aurora R9 - All All All
Operating System Dell Alienware Aurora R9 Firmware All All All All
Hardware Dell Alienware Aurora Ryzen Edition - All All All
Operating System Dell Alienware Aurora Ryzen Edition Firmware All All All All
Hardware Dell Alienware M15 R1 - All All All
Operating System Dell Alienware M15 R1 Firmware All All All All
Hardware Dell Alienware M15 R2 - All All All
Operating System Dell Alienware M15 R2 Firmware All All All All
Hardware Dell Alienware M15 R3 - All All All
Operating System Dell Alienware M15 R3 Firmware All All All All
Hardware Dell Alienware M17 R1 - All All All
Operating System Dell Alienware M17 R1 Firmware All All All All
Hardware Dell Alienware M17 R2 - All All All
Operating System Dell Alienware M17 R2 Firmware All All All All
Hardware Dell Alienware M17 R3 - All All All
Operating System Dell Alienware M17 R3 Firmware All All All All
Hardware Dell Alienware X15 R1 - All All All
Operating System Dell Alienware X15 R1 Firmware All All All All
Hardware Dell Alienware X17 R1 - All All All
Operating System Dell Alienware X17 R1 Firmware All All All All
Hardware Dell Chengming 3977 - All All All
Operating System Dell Chengming 3977 Firmware All All All All
Hardware Dell Chengming 3980 - All All All
Operating System Dell Chengming 3980 Firmware All All All All
Hardware Dell Chengming 3988 - All All All
Operating System Dell Chengming 3988 Firmware All All All All
Hardware Dell Chengming 3990 - All All All
Operating System Dell Chengming 3990 Firmware All All All All
Hardware Dell Chengming 3991 - All All All
Operating System Dell Chengming 3991 Firmware All All All All
Hardware Dell Embedded Box Pc 5000 - All All All
Operating System Dell Embedded Box Pc 5000 Firmware All All All All
Hardware Dell G3 3579 - All All All
Operating System Dell G3 3579 Firmware All All All All
Hardware Dell G3 3590 - All All All
Operating System Dell G3 3590 Firmware All All All All
Hardware Dell G3 3779 - All All All
Operating System Dell G3 3779 Firmware All All All All
Hardware Dell G5 5000 - All All All
Operating System Dell G5 5000 Firmware All All All All
Hardware Dell G5 5090 - All All All
Operating System Dell G5 5090 Firmware All All All All
Hardware Dell G5 5587 - All All All
Operating System Dell G5 5587 Firmware All All All All
Hardware Dell G5 5590 - All All All
Operating System Dell G5 5590 Firmware All All All All
Hardware Dell G7 7587 - All All All
Operating System Dell G7 7587 Firmware All All All All
Hardware Dell G7 7588 - All All All
Operating System Dell G7 7588 Firmware All All All All
Hardware Dell G7 7590 - All All All
Operating System Dell G7 7590 Firmware All All All All
Hardware Dell G7 7790 - All All All
Operating System Dell G7 7790 Firmware All All All All
Hardware Dell Inspiron 13 5378 - All All All
Operating System Dell Inspiron 13 5378 Firmware All All All All
Hardware Dell Inspiron 13 5379 - All All All
Operating System Dell Inspiron 13 5379 Firmware All All All All
Hardware Dell Inspiron 14 3467 - All All All
Operating System Dell Inspiron 14 3467 Firmware All All All All
Hardware Dell Inspiron 14 5468 - All All All
Operating System Dell Inspiron 14 5468 Firmware All All All All
Hardware Dell Inspiron 15 3567 - All All All
Operating System Dell Inspiron 15 3567 Firmware All All All All
Hardware Dell Inspiron 15 5566 - All All All
Operating System Dell Inspiron 15 5566 Firmware All All All All
Hardware Dell Inspiron 15 5578 - All All All
Operating System Dell Inspiron 15 5578 Firmware All All All All
Hardware Dell Inspiron 15 5579 - All All All
Operating System Dell Inspiron 15 5579 Firmware All All All All
Hardware Dell Inspiron 15 5582 - All All All
Operating System Dell Inspiron 15 5582 Firmware All All All All
Hardware Dell Inspiron 15 7570 - All All All
Operating System Dell Inspiron 15 7570 Firmware All All All All
Hardware Dell Inspiron 15 7572 - All All All
Operating System Dell Inspiron 15 7572 Firmware All All All All
Hardware Dell Inspiron 15 7573 - All All All
Operating System Dell Inspiron 15 7573 Firmware All All All All
Hardware Dell Inspiron 15 7577 - All All All
Operating System Dell Inspiron 15 7577 Firmware All All All All
Hardware Dell Inspiron 17 7773 - All All All
Operating System Dell Inspiron 17 7773 Firmware All All All All
Hardware Dell Inspiron 3268 - All All All
Operating System Dell Inspiron 3268 Firmware All All All All
Hardware Dell Inspiron 3277 - All All All
Operating System Dell Inspiron 3277 Firmware All All All All
Hardware Dell Inspiron 3280 - All All All
Operating System Dell Inspiron 3280 Firmware All All All All
Hardware Dell Inspiron 3470 - All All All
Operating System Dell Inspiron 3470 Firmware All All All All
Hardware Dell Inspiron 3471 - All All All
Operating System Dell Inspiron 3471 Firmware All All All All
Hardware Dell Inspiron 3476 - All All All
Operating System Dell Inspiron 3476 Firmware All All All All
Hardware Dell Inspiron 3477 - All All All
Operating System Dell Inspiron 3477 Firmware All All All All
Hardware Dell Inspiron 3480 - All All All
Operating System Dell Inspiron 3480 Firmware All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Dell CPG BIOS affected unspecified 1.13.0 custom Not specified

References

ReferenceSourceLinkTags
Access Denied af854a3a-2127-422b-91ae-364da2661108 www.dell.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 376132 Dell Client Security Update for Multiple Vulnerabilities (DSA-2021-216)

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