CVE-2021-3966 Vulnerability Details

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CVE-2021-3966 Metadata Quick Info

CVE Published: 11/01/2023 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: zephyr | Vendor: zephyrproject-rtos | Product: zephyr
Status : PUBLISHED

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CVE-2021-3966 Description

usb device bluetooth class includes a buffer overflow related to implementation of net_buf_add_mem.

Metrics

CVSS Version: 3.1 | Base Score: 9.6 CRITICAL
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* ADJACENT_NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* CHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* LOW
    Integrity Impact (I)* HIGH
    Availability Impact (A)* HIGH

Weakness Enumeration (CWE)

CWE-ID: CWE-122
CWE Name: Heap-based Buffer Overflow (CWE-122)
Source: zephyrproject-rtos

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).