On STMicroelectronics STM32L0, STM32L1, STM32L4, STM32F4, STM32F7, and STM32H7 devices…
Priority MEDIUM 46CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.
Summary
On STMicroelectronics STM32L0, STM32L1, STM32L4, STM32F4, STM32F7, and STM32H7 devices, Proprietary Code Read Out Protection (PCROP) (a software IP protection method) can be defeated by observing CPU registers and the effect of code/instruction execution.
Why it matters now
EPSS 0.02261 83rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:st:stm32l0_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | STMicroelectronics |
| cpe:2.3:h:st:stm32l0:-:*:*:*:*:*:*:* | not specified by NVD | Running on | STMicroelectronics |
| cpe:2.3:o:st:stm32l1_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | STMicroelectronics |
| cpe:2.3:h:st:stm32l1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | STMicroelectronics |
| cpe:2.3:o:st:stm32f4_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | STMicroelectronics |
| cpe:2.3:h:st:stm32f4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | STMicroelectronics |
| cpe:2.3:o:st:stm32l4_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | STMicroelectronics |
| cpe:2.3:h:st:stm32l4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | STMicroelectronics |
| cpe:2.3:o:st:stm32f7_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | STMicroelectronics |
| cpe:2.3:h:st:stm32f7:-:*:*:*:*:*:*:* | not specified by NVD | Running on | STMicroelectronics |
- cpe:2.3:o:st:stm32l0_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·STMicroelectronics
- cpe:2.3:h:st:stm32l0:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·STMicroelectronics
- cpe:2.3:o:st:stm32l1_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·STMicroelectronics
- cpe:2.3:h:st:stm32l1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·STMicroelectronics
- cpe:2.3:o:st:stm32f4_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·STMicroelectronics
- cpe:2.3:h:st:stm32f4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·STMicroelectronics
- cpe:2.3:o:st:stm32l4_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·STMicroelectronics
- cpe:2.3:h:st:stm32l4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·STMicroelectronics
- cpe:2.3:o:st:stm32f7_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·STMicroelectronics
- cpe:2.3:h:st:stm32f7:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·STMicroelectronics
Show 2 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:st:stm32h7_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | STMicroelectronics |
| cpe:2.3:h:st:stm32h7:-:*:*:*:*:*:*:* | not specified by NVD | Running on | STMicroelectronics |
- cpe:2.3:o:st:stm32h7_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·STMicroelectronics
- cpe:2.3:h:st:stm32h7:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·STMicroelectronics
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-14236
- 2026-10-03 Alias added: GHSA-2h75-rwg4-wvhq
References
More STMicroelectronics Stm32f4 Firmware vulnerabilities
- TI-2019-10599 On STMicroelectronics STM32F7 devices, Proprietary Code Read Out Protection (PCROP) (a… CVSS 3.1MEDIUM 6.6
Sources
- CVE-2019-14236 · CVE Program
- CVE-2019-14236 · NVD
- FIRST EPSS
- GHSA-2h75-rwg4-wvhq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences