CVE-2021-3320

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476 CWE-843

Affected software

No affected versions have been published.

Timeline

Published: May 25, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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