CVE-2021-3625 CRITICAL

CVE-2021-3625: Buffer overflow in Zephyr USB DFU DNLOAD

Vendor Zephyrproject-Rtos
Product zephyr
Weakness CWE-122
Published October 5, 2021
Last update September 16, 2024

CVSS base score

9.6/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363

Key dates

02Disclosure timeline

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