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.

View graph Watch Export

CVSS v3.1

7.5 HIGH

EPSS

0.24%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

EPSS Trend

Aug 16, 2026 → Sep 6, 2026

● 0.01pp

0.23% → 0.24% over 2 tracked changes

CVSS v3.1 Detail

Attack VectorLOCAL

Attack ComplexityHIGH

Privileges RequiredHIGH

User InteractionNONE

ScopeCHANGED

ConfidentialityHIGH

IntegrityHIGH

AvailabilityHIGH

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Connections

26 relationships

CWE-20

source

Timeline

disclosure → media coverage

Nov 12, 2021

Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024