{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/simatic-hmi-mtp1900-unified-comfort-panel-neutral-design/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.7,"id":"CVE-2026-27662"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["SIMATIC HMI MTP1000 Unified Comfort Panel","SIMATIC HMI MTP1000 Unified Comfort Panel hygienic","SIMATIC HMI MTP1000 Unified Comfort Panel hygienic neutral design","SIMATIC HMI MTP1000 Unified Comfort Panel neutral","SIMATIC HMI MTP1200 Comfort Pro for stand (expandable, flange at the bottom)","SIMATIC HMI MTP1200 Comfort Pro for support arm (expandable, round tube) and extension unit","SIMATIC HMI MTP1200 Comfort Pro for support arm (not extendable, flange on top)","SIMATIC HMI MTP1200 Comfort Pro neutral design for stand (expandable, flange at the bottom)","SIMATIC HMI MTP1200 Comfort Pro neutral design for support arm (expandable, round tube) and extensio","SIMATIC HMI MTP1200 Comfort Pro neutral design for support arm (not extendable, flange on top)","SIMATIC HMI MTP1200 Unified Comfort Panel","SIMATIC HMI MTP1200 Unified Comfort Panel hygienic","SIMATIC HMI MTP1200 Unified Comfort Panel hygienic neutral design","SIMATIC HMI MTP1200 Unified Comfort Panel neutral design","SIMATIC HMI MTP1500 Comfort Pro for stand (expandable, flange at the bottom)","SIMATIC HMI MTP1500 Comfort Pro for support arm (expandable, round tube) and extension unit","SIMATIC HMI MTP1500 Comfort Pro for support arm (not extendable, flange on top)","SIMATIC HMI MTP1500 Comfort Pro neutral design for stand (expandable, flange at the bottom)","SIMATIC HMI MTP1500 Comfort Pro neutral design for support arm (expandable, round tube) and extensio","SIMATIC HMI MTP1500 Comfort Pro neutral design for support arm (not extendable, flange on top)","SIMATIC HMI MTP1500 Unified Comfort Panel","SIMATIC HMI MTP1500 Unified Comfort Panel hygienic","SIMATIC HMI MTP1500 Unified Comfort Panel hygienic neutral design","SIMATIC HMI MTP1500 Unified Comfort Panel neutral design","SIMATIC HMI MTP1900 Comfort Pro for stand (expandable, flange at the bottom)","SIMATIC HMI MTP1900 Comfort Pro for support arm (expandable, round tube) and extension unit","SIMATIC HMI MTP1900 Comfort Pro for support arm (not extendable, flange on top)","SIMATIC HMI MTP1900 Comfort Pro neutral design for stand (expandable, flange at the bottom)","SIMATIC HMI MTP1900 Comfort Pro neutral design for support arm (expandable, round tube) and extensio","SIMATIC HMI MTP1900 Comfort Pro neutral design for support arm (not extendable, flange on top)","SIMATIC HMI MTP1900 Unified Comfort Panel","SIMATIC HMI MTP1900 Unified Comfort Panel hygienic","SIMATIC HMI MTP1900 Unified Comfort Panel hygienic neutral design","SIMATIC HMI MTP1900 Unified Comfort Panel neutral design","SIMATIC HMI MTP2200 Comfort Pro for stand (expandable, flange at the bottom)","SIMATIC HMI MTP2200 Comfort Pro for support arm (expandable, round tube) and extension unit","SIMATIC HMI MTP2200 Comfort Pro for support arm (not extendable, flange on top)","SIMATIC HMI MTP2200 Comfort Pro neutral design for stand (expandable, flange at the bottom)","SIMATIC HMI MTP2200 Comfort Pro neutral design for support arm (expandable, round tube) and extensio","SIMATIC HMI MTP2200 Comfort Pro neutral design for support arm (not extendable, flange on top)","SIMATIC HMI MTP2200 Unified Comfort Hygienic","SIMATIC HMI MTP2200 Unified Comfort Hygienic neutral design","SIMATIC HMI MTP2200 Unified Comfort Panel","SIMATIC HMI MTP2200 Unified Comfort Panel neutral design","SIMATIC HMI MTP700 Unified Comfort Panel","SIMATIC HMI MTP700 Unified Comfort Panel hygienic neutral design","SIMATIC HMI MTP700 Unified Comfort Panel neutral design","SIPLUS HMI MTP1000 Unified Comfort","SIPLUS HMI MTP1200 Unified Comfort","SIPLUS HMI MTP700 Unified Comfort"],"_cs_severities":["medium"],"_cs_tags":["ics","siemens","hmi","cve-2026-27662","unauthenticated access"],"_cs_type":"advisory","_cs_vendors":["Siemens"],"content_html":"\u003cp\u003eSiemens SIMATIC HMI Unified Comfort Panels before version 21.0 are affected by a vulnerability that allows an unauthenticated attacker to access the web browser through the help link and Control Panel if security mechanisms are not properly configured. This vulnerability, identified as CVE-2026-27662, can be exploited by attackers to potentially discover backdoors, perform unauthorized actions, or exploit misconfigurations. Siemens has released updates to address this issue, urging users to upgrade to the latest versions to mitigate the risk. This vulnerability poses a threat to industrial control systems (ICS) environments relying on these panels for human-machine interaction.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains network access to a SIMATIC HMI Unified Comfort Panel running a vulnerable firmware version (prior to V21.0).\u003c/li\u003e\n\u003cli\u003eThe attacker utilizes the help link or accesses the Control Panel.\u003c/li\u003e\n\u003cli\u003eThe attacker bypasses authentication mechanisms due to the insecure default configuration.\u003c/li\u003e\n\u003cli\u003eThe attacker gains unauthorized access to the web browser interface of the panel.\u003c/li\u003e\n\u003cli\u003eThe attacker explores the file system and settings through the web browser.\u003c/li\u003e\n\u003cli\u003eThe attacker identifies potential backdoors or misconfigurations within the system.\u003c/li\u003e\n\u003cli\u003eThe attacker exploits the identified vulnerabilities to perform unauthorized actions, such as modifying settings or uploading malicious code.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves persistent access or control over the HMI panel, potentially impacting connected industrial processes.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability could allow an attacker to gain unauthorized control over the SIMATIC HMI panels, potentially leading to disruption of industrial processes, modification of control parameters, or exfiltration of sensitive information. Given the widespread deployment of SIMATIC HMI panels in critical infrastructure sectors such as critical manufacturing, the impact could be significant. The vulnerability affects multiple SIMATIC HMI models, increasing the potential attack surface.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eImmediately patch all affected SIMATIC HMI Unified Comfort Panels to version V21 or later to remediate CVE-2026-27662.\u003c/li\u003e\n\u003cli\u003eImplement proper security mechanisms and authentication controls on the SIMATIC HMI panels to prevent unauthorized access.\u003c/li\u003e\n\u003cli\u003eMonitor network traffic and system logs for suspicious activity that may indicate exploitation attempts.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u0026ldquo;Detect SIMATIC HMI Panel Web Browser Access\u0026rdquo; to identify unauthorized web browser access attempts.\u003c/li\u003e\n\u003cli\u003eReview and harden the configuration of the SIMATIC HMI panels to eliminate potential backdoors and misconfigurations.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-14T15:04:40Z","date_published":"2026-05-14T15:04:40Z","id":"https://feed.craftedsignal.io/briefs/2026-05-simatic-hmi-unauth-access/","summary":"Siemens SIMATIC HMI Unified Comfort Panels before V21.0 are vulnerable to unauthenticated access via the help link and Control Panel (CVE-2026-27662), potentially leading to unauthorized configuration changes and discovery of backdoors.","title":"Siemens SIMATIC HMI Unified Comfort Panels Unauthenticated Access Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-simatic-hmi-unauth-access/"}],"language":"en","title":"CraftedSignal Threat Feed — SIMATIC HMI MTP1900 Unified Comfort Panel Neutral Design","version":"https://jsonfeed.org/version/1.1"}