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CVE-2021-42553
CVE
Critical

A buffer overflow vulnerability in stm32_mw_usb_host of STMicroelectronics in versions before 3.5.1 allows an attacker to execute arbitrary…

CVSS
9.8
Critical
EPSS
0.01
p56
Published
2021-01-01
Updated
2021-01-01
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.

Tags · CWE
Pre-auth
CWE-120
CAPEC-8
CAPEC-9
CAPEC-10
CAPEC-14
CAPEC-24
CAPEC-42
CAPEC-44
CAPEC-45
CAPEC-46
CAPEC-47
CAPEC-67
CAPEC-92
CAPEC-100
Affected products
Stm32_mw_usb_host
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Timeline
2021-01-01
Published
2021-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.010 · p56
Known exploited (KEV)
No
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
ProductVendorStatus
micropythonTracked
micropythonTracked
micropythonTracked
micropythonTracked
micropythonTracked
micropythonTracked
micropythonTracked
micropythonTracked
micropythonTracked
micropythonTracked
stm32_mw_usb_host*Tracked
Source databases
CVE
UBU