CVE-2021-34268 is a Denial of Service (DoS) vulnerability affecting STMicroelectronics STM32Cube Middleware v1.8.0 and earlier, specifically within the USBH_ParseDevDesc() function. An attacker can trigger this DoS by sending a malformed USB device packet to affected STM32H7B3 devices. Rated Medium (CVSS 4.6), this vulnerability requires physical proximity (AV:P) but has low attack complexity (AC:L) and no user interaction (UI:N), leading to high availability impact (A:H). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| 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.