CVE-2021-3436 MEDIUM

CVE-2021-3436: BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known

Vendor Zephyrproject-Rtos
Product zephyr
Weakness CWE-694
Published October 5, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

October 5, 2021 CVE published
September 16, 2024 Record updated