CVE-2021-3436 - CVE House
Back to Database
Status published Medium CVE-2021-3436

BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known

Vulnerability Description

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-3436

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

zephyrproject-rtos

View all reports →

Affected Software

zephyr
Vulnerable Versions:
1.14.2, 2.4.0, 2.5.0

Timeline

Official Publish: October 5th, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.