CVE-2026-27662
Siemens · published 2026-05-12
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by Siemens AG via the CVE Program.
Affected devices do not properly restrict access to the web browser via the Control Panel when no corresponding security mechanisms are in place. This could allow an unauthenticated attacker to gain unauthorized access to the web browser, potentially enabling the discovery of backdoors, performing unauthorized actions, or exploiting misconfigurations that may lead to further system compromise.
Status at the source
- NVD status: Awaiting Analysis — NVD has not analysed this CVE.
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC HMI MTP1000 Unified Comfort Panel | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1000 Unified Comfort Panel hygienic | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1000 Unified Comfort Panel hygienic neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1000, Unified Comfort Panel neutral | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1200 Comfort Pro for stand (expandable, flange at the bottom) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1200 Comfort Pro for support arm (expandable, round tube) and extension unit | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1200 Comfort Pro for support arm (not extendable, flange on top) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1200 Comfort Pro neutral design for stand (expandable, flange at the bottom) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1200 Comfort Pro neutral design for support arm (expandable, round tube) and extensio | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1200 Comfort Pro neutral design for support arm (not extendable, flange on top) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1200 Unified Comfort Panel | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1200 Unified Comfort Panel hygienic | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1200 Unified Comfort Panel hygienic neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1200 Unified Comfort Panel neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1500 Comfort Pro for stand (expandable, flange at the bottom) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1500 Comfort Pro for support arm (expandable, round tube) and extension unit | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1500 Comfort Pro for support arm (not extendable, flange on top) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1500 Comfort Pro neutral design for stand (expandable, flange at the bottom) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1500 Comfort Pro neutral design for support arm (expandable, round tube) and extensio | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1500 Comfort Pro neutral design for support arm (not extendable, flange on top) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1500 Unified Comfort Panel | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1500 Unified Comfort Panel hygienic | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1500 Unified Comfort Panel hygienic neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1500 Unified Comfort Panel neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1900 Comfort Pro for stand (expandable, flange at the bottom) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1900 Comfort Pro for support arm (expandable, round tube) and extension unit | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1900 Comfort Pro for support arm (not extendable, flange on top) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1900 Comfort Pro neutral design for stand (expandable, flange at the bottom) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1900 Comfort Pro neutral design for support arm (expandable, round tube) and extensio | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1900 Comfort Pro neutral design for support arm (not extendable, flange on top) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1900 Unified Comfort Panel | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1900 Unified Comfort Panel hygienic | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1900 Unified Comfort Panel hygienic neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP1900 Unified Comfort Panel neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP2200 Comfort Pro for stand (expandable, flange at the bottom) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP2200 Comfort Pro for support arm (expandable, round tube) and extension unit | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP2200 Comfort Pro for support arm (not extendable, flange on top) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP2200 Comfort Pro neutral design for stand (expandable, flange at the bottom) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP2200 Comfort Pro neutral design for support arm (expandable, round tube) and extensio | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP2200 Comfort Pro neutral design for support arm (not extendable, flange on top) | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP2200 Unified Comfort Hygienic | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP2200 Unified Comfort Hygienic neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP2200 Unified Comfort Panel | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP2200 Unified Comfort Panel neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP700 Unified Comfort Panel | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP700 Unified Comfort Panel hygienic neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP700 Unified Comfort Panel hygienic neutral design | 0 – before V21: affected |
| Siemens | SIMATIC HMI MTP700, Unified Comfort Panel neutral design | 0 – before V21: affected |
| Siemens | SIPLUS HMI MTP1000 Unified Comfort | 0 – before V21: affected |
| Siemens | SIPLUS HMI MTP1200 Unified Comfort | 0 – before V21: affected |
| Siemens | SIPLUS HMI MTP700 Unified Comfort | 0 – before V21: affected |
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 4.0: 7 HIGH — as published by Siemens AG (Secondary)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1: 7.7 HIGH — as published by Siemens AG (Secondary)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
Source dates: published 2026-05-12, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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