What’s Vulnerable › Vulnerabilities

CVE-2019-14236

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-09-12 · updated 2026-06-17
• Weakness: CWE-863

Description

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.

Affected products

• Stm32F4 Firmware: all versions
• Stm32F7 Firmware: all versions
• Stm32H7 Firmware: all versions
• Stm32L0 Firmware: all versions
• Stm32L1 Firmware: all versions
• Stm32L4 Firmware: all versions

References

• https://www.usenix.org/system/files/woot19-paper_schink.pdf
• https://www.usenix.org/system/files/woot19-paper_schink.pdf

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