VULNERABILITY INTELLIGENCE
CVE-2021-3434
CVSS score4.9 MEDIUM
EPSS probability0.21%
CISA KEVNot currently listed
Published2022-06-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
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
Weakness classification
- vulnerabilities@zephyrproject.org: CWE-121
- nvd@nist.gov: CWE-787
Primary references
- vulnerabilities@zephyrproject.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory