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7.7 High

CVE-2026-27662 Affected devices do not properly restrict access to the web browser via the Control Panel when no corresponding security…

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 products and versions

Product Affected versions Fixed in
SIMATIC HMI MTP1000 Unified Comfort Panel 21 earliest → < 21 21
SIMATIC HMI MTP1000 Unified Comfort Panel hygienic 21 earliest → < 21 21
SIMATIC HMI MTP1000 Unified Comfort Panel hygienic neutral design 21 earliest → < 21 21
SIMATIC HMI MTP1000, Unified Comfort Panel neutral 21 earliest → < 21 21
SIMATIC HMI MTP1200 Comfort Pro for stand (expandable, flange at the bottom) 21 earliest → < 21 21
SIMATIC HMI MTP1200 Comfort Pro for support arm (expandable, round tube) and extension unit 21 earliest → < 21 21
SIMATIC HMI MTP1200 Comfort Pro for support arm (not extendable, flange on top) 21 earliest → < 21 21
SIMATIC HMI MTP1200 Comfort Pro neutral design for stand (expandable, flange at the bottom) 21 earliest → < 21 21
SIMATIC HMI MTP1200 Comfort Pro neutral design for support arm (expandable, round tube) and extensio 21 earliest → < 21 21
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Product Affected versions Fixed in
SIMATIC HMI MTP1200 Comfort Pro neutral design for support arm (not extendable, flange on top) 21 earliest → < 21 21
SIMATIC HMI MTP1200 Unified Comfort Panel 21 earliest → < 21 21
SIMATIC HMI MTP1200 Unified Comfort Panel hygienic 21 earliest → < 21 21
SIMATIC HMI MTP1200 Unified Comfort Panel hygienic neutral design 21 earliest → < 21 21
SIMATIC HMI MTP1200 Unified Comfort Panel neutral design 21 earliest → < 21 21
SIMATIC HMI MTP1500 Comfort Pro for stand (expandable, flange at the bottom) 21 earliest → < 21 21
SIMATIC HMI MTP1500 Comfort Pro for support arm (expandable, round tube) and extension unit 21 earliest → < 21 21
SIMATIC HMI MTP1500 Comfort Pro for support arm (not extendable, flange on top) 21 earliest → < 21 21
SIMATIC HMI MTP1500 Comfort Pro neutral design for stand (expandable, flange at the bottom) 21 earliest → < 21 21
SIMATIC HMI MTP1500 Comfort Pro neutral design for support arm (expandable, round tube) and extensio 21 earliest → < 21 21
SIMATIC HMI MTP1500 Comfort Pro neutral design for support arm (not extendable, flange on top) 21 earliest → < 21 21
SIMATIC HMI MTP1500 Unified Comfort Panel 21 earliest → < 21 21
SIMATIC HMI MTP1500 Unified Comfort Panel hygienic 21 earliest → < 21 21
SIMATIC HMI MTP1500 Unified Comfort Panel hygienic neutral design 21 earliest → < 21 21
SIMATIC HMI MTP1500 Unified Comfort Panel neutral design 21 earliest → < 21 21
SIMATIC HMI MTP1900 Comfort Pro for stand (expandable, flange at the bottom) 21 earliest → < 21 21
SIMATIC HMI MTP1900 Comfort Pro for support arm (expandable, round tube) and extension unit 21 earliest → < 21 21
SIMATIC HMI MTP1900 Comfort Pro for support arm (not extendable, flange on top) 21 earliest → < 21 21
SIMATIC HMI MTP1900 Comfort Pro neutral design for stand (expandable, flange at the bottom) 21 earliest → < 21 21
SIMATIC HMI MTP1900 Comfort Pro neutral design for support arm (expandable, round tube) and extensio 21 earliest → < 21 21
SIMATIC HMI MTP1900 Comfort Pro neutral design for support arm (not extendable, flange on top) 21 earliest → < 21 21
SIMATIC HMI MTP1900 Unified Comfort Panel 21 earliest → < 21 21
SIMATIC HMI MTP1900 Unified Comfort Panel hygienic 21 earliest → < 21 21
SIMATIC HMI MTP1900 Unified Comfort Panel hygienic neutral design 21 earliest → < 21 21
SIMATIC HMI MTP1900 Unified Comfort Panel neutral design 21 earliest → < 21 21
SIMATIC HMI MTP2200 Comfort Pro for stand (expandable, flange at the bottom) 21 earliest → < 21 21
SIMATIC HMI MTP2200 Comfort Pro for support arm (expandable, round tube) and extension unit 21 earliest → < 21 21
SIMATIC HMI MTP2200 Comfort Pro for support arm (not extendable, flange on top) 21 earliest → < 21 21
SIMATIC HMI MTP2200 Comfort Pro neutral design for stand (expandable, flange at the bottom) 21 earliest → < 21 21
SIMATIC HMI MTP2200 Comfort Pro neutral design for support arm (expandable, round tube) and extensio 21 earliest → < 21 21
SIMATIC HMI MTP2200 Comfort Pro neutral design for support arm (not extendable, flange on top) 21 earliest → < 21 21
SIMATIC HMI MTP2200 Unified Comfort Hygienic 21 earliest → < 21 21
SIMATIC HMI MTP2200 Unified Comfort Hygienic neutral design 21 earliest → < 21 21
SIMATIC HMI MTP2200 Unified Comfort Panel 21 earliest → < 21 21
SIMATIC HMI MTP2200 Unified Comfort Panel neutral design 21 earliest → < 21 21
SIMATIC HMI MTP700 Unified Comfort Panel 21 earliest → < 21 21
SIMATIC HMI MTP700 Unified Comfort Panel hygienic neutral design 21 earliest → < 21 21
SIMATIC HMI MTP700, Unified Comfort Panel neutral design 21 earliest → < 21 21
SIPLUS HMI MTP1000 Unified Comfort 21 earliest → < 21 21
SIPLUS HMI MTP1200 Unified Comfort 21 earliest → < 21 21
SIPLUS HMI MTP700 Unified Comfort 21 earliest → < 21 21

Other CVEs of SIMATIC HMI MTP1000 Unified Comfort Panel

The 4 CVEs of SIMATIC HMI MTP1000 Unified Comfort Panel →
CVE-2026-44415 Affected systems do not properly restrict access to internal APIs and paths for authenticated users 9.1 Critical CVE-2026-31431 Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability 7.8 High CVE-2025-40805 Affected devices do not properly enforce user authentication on specific API endpoints 10.0 Critical
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