CVE-2021-3786

Description

A potential vulnerability in the SMI callback function used in CSME configuration of some Lenovo Notebook and ThinkPad systems could be used to leak out data out of the SMRAM range.

References

PatchVendor Advisory

CvssV3 impact

Version

3.1

VectorString

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

AttackVector

LOCAL

AttackComplexity

LOW

PrivilegesRequired

LOW

UserInteraction

NONE

Scope

UNCHANGED

ConfidentialityImpact

HIGH

IntegrityImpact

NONE

AvailabilityImpact

NONE

BaseScore

5.5

BaseSeverity

MEDIUM

CvssV2 impact

Version

2.0

VectorString

AV:L/AC:L/Au:N/C:P/I:N/A:N

AccessVector

LOCAL

AccessComplexity

LOW

Authentication

NONE

ConfidentialityImpact

PARTIAL

IntegrityImpact

NONE

AvailabilityImpact

NONE

BaseScore

2.0999999046325684