CVE-2021-3436

Description

BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known. Zephyr versions >= 1.14.2, >= 2.4.0, >= 2.5.0 contain Use of Multiple Resources with Duplicate Identifier (CWE-694). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j76f-35mc-4h63

CvssV3 impact

BaseSeverity

MEDIUM

ConfidentialityImpact

NONE

AttackComplexity

LOW

Scope

UNCHANGED

AttackVector

NETWORK

AvailabilityImpact

LOW

IntegrityImpact

LOW

PrivilegesRequired

NONE

BaseScore

6.5

VectorString

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

Version

3.1

UserInteraction

NONE

CvssV2 impact

AccessComplexity

LOW

ConfidentialityImpact

NONE

AvailabilityImpact

PARTIAL

IntegrityImpact

PARTIAL

BaseScore

6.4

VectorString

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

Version

2.0

AccessVector

NETWORK

Authentication

NONE