CVE-2021-34267
4.6 · MEDIUMOverview
CVE-2021-34267 is a medium-severity vulnerability affecting st stm32cube_middleware. It was published on July 22, 2021 and has a CVSS 3.1 base score of 4.6 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
An in the USBH_MSC_InterfaceInit() function of STMicroelectronics STM32Cube Middleware v1.8.0 and below causes a denial of service (DOS) when the system tries to communicate with the connected endpoint.
Remediation
Check the references section for vendor advisories and patches from st. Update stm32cube_middleware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| st | stm32cube_middleware | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-34267?
CVE-2021-34267 is a medium-severity vulnerability affecting st stm32cube_middleware. It was published on July 22, 2021 and has a CVSS 3.1 base score of 4.6 (MEDIUM).
How severe is CVE-2021-34267?
This vulnerability has a CVSS 3.1 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-34267?
Check the references section for vendor advisories and patches from st. Update stm32cube_middleware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-34267?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-34267 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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