CVE-2021-21572

Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary code and bypass UEFI restrictions.

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CVSS v3.1

7.2 HIGH

EPSS

0.26%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

CVSS v3.1 Detail

Attack VectorLOCAL

Attack ComplexityHIGH

Privileges RequiredHIGH

User InteractionREQUIRED

ScopeCHANGED

ConfidentialityHIGH

IntegrityHIGH

AvailabilityHIGH

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

Connections

26 relationships

CWE-122

source

Timeline

disclosure → media coverage

Jun 24, 2021

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