CVE-2021-3436

Severity

65%

Complexity

39%

Confidentiality

41%

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

CVSS 3.1 Base Score 6.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L).

CVSS 2.0 Base Score 6.4. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:P).

Overview

First reported 3 years ago

2021-10-05 21:15:00

Last updated 3 years ago

2021-10-13 12:39:00

Affected Software

Zephyrproject Zephyr 1.14.2

1.14.2

References

http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j76f-35mc-4h63

http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j76f-35mc-4h63

Exploit, Patch, Third Party Advisory

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