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HIGH · 7.5

CVE-2021-36323

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...

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
DellAlienware 13 R3 Firmware< 1.13.0
DellAlienware 13 R3-
DellAlienware 15 R3 Firmware< 1.13.0
DellAlienware 15 R3-
DellAlienware 15 R4 Firmware< 1.14.0
DellAlienware 15 R4-
DellAlienware 17 R4 Firmware< 1.13.0
DellAlienware 17 R4-
DellAlienware 17 R5 Firmware< 1.14.0
DellAlienware 17 R5-
DellAlienware Area 51M R1 Firmware< 1.15.1
DellAlienware Area 51M R1-
DellAlienware Area 51M R2 Firmware< 1.10.0
DellAlienware Area 51M R2-
DellAlienware Aurora R11 Firmware< 1.0.9
DellAlienware Aurora R11-
DellAlienware Aurora R12 Firmware< 1.1.7
DellAlienware Aurora R12-
DellAlienware Aurora R7 Firmware< 1.0.25
DellAlienware Aurora R7-

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2021-36323?

CVE-2021-36323 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2021-36323?

CVE-2021-36323 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-36323?

Check the references section above for vendor advisories and patch information. Affected products include: Dell Alienware 13 R3 Firmware, Dell Alienware 13 R3, Dell Alienware 15 R3 Firmware, Dell Alienware 15 R3, Dell Alienware 15 R4 Firmware.