vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-27662

HIGH
7.7
CVSS Score
Published: May 12, 2026 at 08:21 AM UTC
Updated: October 26, 2026 at 06:10 PM UTC
49 products affected across 1 vendorSIMATIC HMI MTP2200 Unified Comfort PanelSIMATIC HMI MTP1500 Unified Comfort PanelSIPLUS HMI MTP700 Unified Comfort

Using SIMATIC HMI MTP1000 Unified Comfort Panel by Siemens?

Get instant alerts when new vulnerabilities affect SIMATIC HMI MTP1000 Unified Comfort Panel - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.7
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SIMATIC HMI MTP1000 Unified Comfort Panel· Siemens
90%
v < V21
Affected range stops below V21, so it looks safe — our inference, not a vendor statement
SIMATIC HMI MTP1000 Unified Comfort Panel Hygienic· Siemens
90%
v < V21
SIMATIC HMI MTP1000 Unified Comfort Panel Hygienic Neutral Design· Siemens
90%
v < V21
SIMATIC HMI Mtp1000, Unified Comfort Panel Neutral· Siemens
90%
v < V21
SIMATIC HMI MTP1200 Comfort Pro· Siemens
90%
v < V21
Affected range stops below V21, so it looks safe — our inference, not a vendor statement
SIMATIC HMI MTP1200 Comfort Pro for Support Arm (expandable, Round Tube) and Extension Unit· Siemens
90%
v < V21
SIMATIC HMI MTP1200 Comfort Pro for Support Arm (not Extendable, Flange on Top)· Siemens
90%
v < V21
SIMATIC HMI MTP1200 Comfort Pro Neutral Design for Stand (expandable, Flange At the Bottom)· Siemens
90%
v < V21
SIMATIC HMI MTP1200 Comfort Pro Neutral Design for Support Arm (not Extendable, Flange on Top)· Siemens
90%
v < V21
SIMATIC HMI MTP1200 Unified Comfort Panel· Siemens
90%
v < V21
Affected range stops below V21, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://cert-portal.siemens.com/productcert/html/ssa-387223.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.7HIGHsiemens
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-1188

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card