CVE-2021-25470

Description

An improper caller check logic of SMC call in TEEGRIS secure OS prior to SMR Oct-2021 Release 1 can be used to compromise TEE.

CvssV3 impact

BaseSeverity

HIGH

ConfidentialityImpact

HIGH

AttackComplexity

LOW

Scope

CHANGED

AttackVector

LOCAL

AvailabilityImpact

NONE

IntegrityImpact

HIGH

PrivilegesRequired

HIGH

BaseScore

7.9

VectorString

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

Version

3.1

UserInteraction

NONE

CvssV2 impact

AccessComplexity

LOW

ConfidentialityImpact

PARTIAL

AvailabilityImpact

NONE

IntegrityImpact

PARTIAL

BaseScore

3.6

VectorString

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

Version

2.0

AccessVector

LOCAL

Authentication

NONE