Vulnerability Database

318,388

Total vulnerabilities in the database

CVE-2021-3436

BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known. Zephyr versions >= 1.14.2, >= 2.4.0, >= 2.5.0 contain Use of Multiple Resources with Duplicate Identifier (CWE-694). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j76f-35mc-4h63

  • Published: Oct 5, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-3436
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.3
  • AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v2:

  • Severity: Medium
  • Score: 6.4
  • AV:N/AC:L/Au:N/C:N/I:P/A:P

CWEs:

Software From Fixed in
zephyrproject / zephyr 1.14.2 1.14.2.x
zephyrproject / zephyr 2.5.0 2.5.0.x
zephyrproject / zephyr 2.4.0 2.4.0.x