synced 8 MIN AGO
01 Record

CVE-2021-34261

An issue in USBH_ParseCfgDesc() of STMicroelectronics STM32Cube Middleware v1.8.0 and below causes a denial of service due to the system hanging when trying to set a remote wake-up feature.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

An issue in USBH_ParseCfgDesc() of STMicroelectronics STM32Cube Middleware v1.8.0 and below causes a denial of service due to the system hanging when trying to set a remote wake-up feature.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.35% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 29.0% of scored records. A rank, not a probability.
NVD base score
4.6 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-07-22 19:40Z5 YR AGO
Last updated
2024-08-04 00:05Z2 YR AGO
Reserved
2021-06-07
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
31ba07eb8af5aede14d0f91365b0b3a20e53c8e241fc5b454746bc953edc8ba7

05 Affected products

VendorProductVersionsPlatforms
ststm32cube_middlewareNot specified—
ststm32h7b3Not specified—

06 References