Vulnerability Database

318,388

Total vulnerabilities in the database

CVE-2021-3434

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

  • Published: Jun 28, 2022
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-3434
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.9
  • AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v2:

  • Severity: Low
  • Score: 4.6
  • AV:L/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
zephyrproject / zephyr 2.5.0 2.6.0