CVE-2021-29414
STMicroelectronics STM32L4 devices through 2021-03-29 have incorrect physical access control.
STMicroelectronics STM32L4 devices through 2021-03-29 have incorrect physical access control.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
STMicroelectronics STM32L4 devices through 2021-03-29 have incorrect physical access control.
- Record
CVE-2021-29414- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - CVSS 2.0
- 3.6 Low
AV:L/AC:L/Au:N/C:N/I:P/A:P - Weakness
- CWE-74
- Updated
- 2026-11-02
CVE List No score
STMicroelectronics STM32L4 devices through 2021-03-29 have incorrect physical access control.
- Record
CVE-2021-29414- Updated
- 2026-11-02
EUVDEUVD-2021-16049 No score
STMicroelectronics STM32L4 devices through 2021-03-29 have incorrect physical access control.
- Record
EUVD-2021-16049- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4qww-78q9-prqg No score
STMicroelectronics STM32L4 devices through 2021-03-29 have incorrect physical access control.
STMicroelectronics STM32L4 devices through 2021-03-29 have incorrect physical access control.
- Record
GHSA-4qww-78q9-prqg- Weakness
- CWE-74
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-29414 is a medium vulnerability (CVSS 6.1) in St Stm32cubel4 Firmware, published May 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.