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: 1.5% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

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