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HIGH · 7.5

CVE-2021-36343

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
DellPrecision 5820 Tower Firmware< 2.12.1
DellPrecision 5820 Tower-
DellPrecision 7510 Firmware< 1.24.3
DellPrecision 7510-
DellPrecision 7520 Firmware< 1.22.0
DellPrecision 7520-
DellPrecision 7530 Firmware< 1.18.2
DellPrecision 7530-
DellPrecision 7540 Firmware< 1.15.1
DellPrecision 7540-
DellPrecision 7550 Firmware< 1.10.1
DellPrecision 7550-
DellPrecision 7560 Firmware< 1.5.0
DellPrecision 7560-
DellPrecision 7710 Firmware< 1.24.3
DellPrecision 7710-
DellPrecision 7720 Firmware< 1.22.0
DellPrecision 7720-
DellPrecision 7730 Firmware< 1.18.2
DellPrecision 7730-

Related Weaknesses (CWE)

CWE-20CWE-119

References

FAQ

What is CVE-2021-36343?

CVE-2021-36343 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-2021-36343?

CVE-2021-36343 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-2021-36343?

Check the references section above for vendor advisories and patch information. Affected products include: Dell Precision 5820 Tower Firmware, Dell Precision 5820 Tower, Dell Precision 7510 Firmware, Dell Precision 7510, Dell Precision 7520 Firmware.