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CVE-2021-36324

Published: Nov 12, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-20
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.2%
Top 86.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:LAC:HPR:HUI:NS:CC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-20

Affected Products

CPG BIOSDell
On-premFirmware
Hardware Firmware / bios-uefi
alienware 13 r3 firmwaredell
EmbeddedFirmware
Hardware Firmware / bios-uefi
alienware 15 r3 firmwaredell
EmbeddedFirmware
Hardware Firmware / bios-uefi
alienware 15 r4 firmwaredell
EmbeddedFirmware
Hardware Firmware / bios-uefi
alienware 17 r4 firmwaredell
EmbeddedFirmware
Hardware Firmware / bios-uefi
dellcommercialUSEnterprise Softwareaka dell technologies
and 279 more affected products View all →

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Nov 12, 2021
Last Updated
Nov 21, 2024

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