CVE-2021-36323

high-risk
Published 2021-11-12

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
LOCAL / HIGH complexity

Affected Products (20)

Alienware 13 R3 Firmware
Alienware 15 R3 Firmware
Alienware 15 R4 Firmware
Alienware 17 R4 Firmware
Alienware 17 R5 Firmware
Alienware Aurora R7 Firmware
Alienware Aurora R9 Firmware
Alienware Aurora Ryzen Edition Firmware
Alienware M15 R1 Firmware
Alienware M17 R1 Firmware

Affected Vendors

Dell

References (2)

Vendor Advisory https://www.dell.com/support/kbdoc/en-us/000192967
Vendor Advisory https://www.dell.com/support/kbdoc/en-us/000192967
53
/ 100
high-risk
Severity 20/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 33/34 · Critical