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CVE-2021-34262 Details

Description

A buffer overflow vulnerability in the USBH_ParseEPDesc() function of STMicroelectronics STM32Cube Middleware v1.8.0 and below allows attackers to execute arbitrary code.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.8 MEDIUMVector:CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/STMicroelectronics/STM32CubeH7/issues/81	CVE	ExploitThird Party Advisory
https://github.com/STMicroelectronics/STM32CubeH7/issues/81	[email protected]	ExploitThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	[email protected]

Affected Products

Product	Versions
st stm32cube middleware	<= 1.8.0
CPE cpe:2.3:a:st:stm32cube_middleware:::::::: Remediation No remediation found in references.
st stm32h7b3	All versions
CPE cpe:2.3:h:st:stm32h7b3:-:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 3, 2021	Initial Analysis	[email protected]