CVE-2021-3320 MEDIUM

CVE-2021-3320: Type Confusion in 802154 ACK Frames Handling

Vendor Zephyrproject-Rtos
Product zephyr
Weakness CWE-476
Published May 24, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Type Confusion in 802154 ACK Frames Handling. Zephyr versions >= v2.4.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-27r3-rxch-2hm7

Key dates

02Disclosure timeline

May 24, 2021 CVE published
September 16, 2024 Record updated