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.
Published: 2022-10-21
Score: 6.8 Medium
EPSS: 1.4% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-29521 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.
Ubuntu USN Ubuntu USN USN-7472-1 Micropython vulnerabilities
History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00136}

epss

{'score': 0.00182}


Wed, 07 May 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

St Stm32 Mw Usb Host
cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published:

Updated: 2025-05-07T20:10:49.445Z

Reserved: 2021-10-15T00:00:00.000Z

Link: CVE-2021-42553

cve-icon Vulnrichment

Updated: 2024-08-04T03:38:49.280Z

cve-icon NVD

Status : Modified

Published: 2022-10-21T10:15:12.470

Modified: 2025-05-07T21:15:53.440

Link: CVE-2021-42553

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses