CVE-2021-34267 is a denial-of-service vulnerability affecting STMicroelectronics STM32Cube Middleware v1.8.0 and below, specifically within the USBH_MSC_InterfaceInit() function. This flaw can be triggered when the system attempts to communicate with a connected USB endpoint, leading to a system crash. With a CVSS score of 4.6 (Medium), it requires physical access to the device (AV:P) but is easy to exploit (AC:L) and results in high availability impact (A:H). There is currently no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.8.0CPE matchmatch criteria | cpe:2.3:a:st:stm32cube_middleware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.