What’s Vulnerable › Vulnerabilities

CVE-2019-14238

• Severity: medium (CVSS 6.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-09-24 · updated 2026-06-17
• Weakness: CWE-287

Description

On STMicroelectronics STM32F7 devices, Proprietary Code Read Out Protection (PCROP) (a software IP protection method) can be defeated with a debug probe via the Instruction Tightly Coupled Memory (ITCM) bus.

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

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