CVE-2021-36283

moderate-risk
Published 2021-09-28

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 Vendors

49
/ 100
moderate-risk
Severity 20/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 29/34 · Critical