CVE-2021-3434

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CVSS 3.1

7.8 high

EPSS

<1%p11

Published

Jun 28, 2022 (Jun 28, 2022)

Modified

Jun 17, 2026

Description

Stack based buffer overflow in le_ecred_conn_req(). Zephyr versions >= v2.5.0 Stack-based Buffer Overflow (CWE-121). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-8w87-6rfp-cfrm

Vendors: zephyrproject
Products: zephyr
Weakness: CWE-121, CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.2%)

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