CVE-2021-34261
MEDIUMCVSS 4.6/10EPSS 0.35%
Last modified
CVE-2021-34261 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| St | Stm32cube Middleware | <= 1.8.0 |
References
- https://github.com/STMicroelectronics/STM32CubeH7/issues/78Exploit, Third Party Advisory
- https://github.com/STMicroelectronics/STM32CubeH7/issues/78Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-34261?
CVE-2021-34261 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2021-34261?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2021-34261?
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Scan your code nowSource: NVD / NIST