title: Zephyr Bluetooth DLE duplicate requests vulnerability
description: In the Zephyr project Bluetooth subsystem, certain duplicate and back-to-back packets can cause incorrect behavior, resulting in a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.
problem types: CWE-20 Improper Input Validation
affected:
{
product: zephyr
vendor: zephyrproject-rtos
versions:
lessThan: unspecified, status: affected, version: 2.2.0, versionType: custom
lessThan: unspecified, status: affected, version: 1.14.0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 5.1
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
version: 3.1
]