CVEvulnerability

CVE-2021-3320

7.5 HIGH Published 2021-05-25 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-05-25
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-476, CWE-843

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

Affected configurations

• zephyrproject zephyr (>= 2.0.0 <= 2.4.0)

Related

Weakness · CWE (2)

  • CWE-476 NULL Pointer Dereference weakness
  • CWE-843 Access of Resource Using Incompatible Type weakness

References