CVE-2021-42553 Vulnerability Details

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CVE-2021-42553 Metadata Quick Info

CVE Published: 21/10/2022 | CVE Updated: 04/08/2024 | CVE Year: 2021
Source: NCSC.ch | Vendor: STMicroelectronics STM32Cube | Product: STM32 USB Host Library
Status : PUBLISHED

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CVE-2021-42553 Description

A buffer overflow vulnerability in stm32_mw_usb_host of STMicroelectronics in versions before 3.5.1 allows an attacker to execute arbitrary code when the descriptor contains more endpoints than USBH_MAX_NUM_ENDPOINTS. The library is typically integrated when using a RTOS such as FreeRTOS on STM32 MCUs.

Metrics

CVSS Version: 3.1 | Base Score: 6.8 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

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

Weakness Enumeration (CWE)

CWE-ID:
CWE Name: buffer overflow
Source: STMicroelectronics STM32Cube

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).