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A proposed class action accuses University Hospitals of negligence after an October 22 cyberattack that took its MyChart portal offline; the Cleveland patient's suit, filed October 28, claims more than a million records were exposed, a number University Hospitals has not confirmed. University of New Mexico Health Sciences Center disclosed a cyberattack October 26 that diverted ambulances for about two hours; the BYOD extortion group claims it compromised 36,000 systems, a figure UNM has not confirmed. Philips updated its Node2Shell advisory October 27 for CVE-2026-111497, the Node.js Brotli decoder flaw it first flagged October 26 against PIC iX 4.x; the advisory still names no impacted products or fixed version. Philips updated its PHP2Shell advisory October 27 for CVE-2026-109618 and CVE-2026-109619, adding five more affected products including IntelliSpace Portal V12 and Philips Axon to the seven already listed. NorthShore Health Centers disclosed a data breach to patients October 27, one of several Midwest provider notifications issued that week. Denver Health Medical Plan notified more than 238,000 members October 26 about a vendor-related data incident. A proposed class action accuses University Hospitals of negligence after an October 22 cyberattack that took its MyChart portal offline; the Cleveland patient's suit, filed October 28, claims more than a million records were exposed, a number University Hospitals has not confirmed. University of New Mexico Health Sciences Center disclosed a cyberattack October 26 that diverted ambulances for about two hours; the BYOD extortion group claims it compromised 36,000 systems, a figure UNM has not confirmed. Philips updated its Node2Shell advisory October 27 for CVE-2026-111497, the Node.js Brotli decoder flaw it first flagged October 26 against PIC iX 4.x; the advisory still names no impacted products or fixed version. Philips updated its PHP2Shell advisory October 27 for CVE-2026-109618 and CVE-2026-109619, adding five more affected products including IntelliSpace Portal V12 and Philips Axon to the seven already listed. NorthShore Health Centers disclosed a data breach to patients October 27, one of several Midwest provider notifications issued that week. Denver Health Medical Plan notified more than 238,000 members October 26 about a vendor-related data incident.
Saturday, October 31, 2026 Issue #499  ·  Est. 2025
Independent brief for device makers
Manufacturers // iRhythm // Products

Zio monitor

Recorder, Magnetic Tape, Medical. Attributes come from iRhythm's own public documentation for this product.

Attributes

Signals
Mobile app User accounts Web interface Handles patient data Remote access Physiological waveform processing Home use
Properties (MITRE EMB3D)
PID-12 Device includes Memory/Storage (external to CPU) PID-31 Application-level software is present and running on the device PID-33 Device includes interactive applications, services, or user interfaces PID-332 Device includes authenticated services PID-41 Device exposes remote network services
Attributes: component types
Cloud Application Display Firmware Generic Application Local Application Local Service Memory Mobile Application Sensor Modules Storage User Interface
Attributes: assets
Patient Data Report Data Sensor Data Software Code
Attributes: dataflows
Patient to Zio monitor, symptom button press ZEUS System to Qualified Cardiac Technicians at IDTF, annotated ECG data Zio monitor to iRhythm (ZEUS System) via physical return of device, ECG data

Matched threat intel

22

Advisories in our coverage that share an attribute with this product. A shared attribute is a lead, not a finding. The status column shows only what iRhythm has said.

AdvisoryDateSharediRhythm status
Path traversal in Thermo Fisher's Torrent Suite lets authenticated users read server filesOct 15, 2026Exposed to the same EMB3D threatTID-323No feedback feed from manufacturer
EMS patient-care app reflects unsanitized input into a WebViewFeb 10, 2026Exposed to the same EMB3D threatTID-319No feedback feed from manufacturer
User enumeration on the CareLink Network, found at a conferenceDec 4, 2025Exposed to the same EMB3D threatTID-324No feedback feed from manufacturer
A hospital management backend leaked its own system informationOct 28, 2025Exposed to the same EMB3D threatTID-324No feedback feed from manufacturer
A low-privilege user can walk past role limits in Synapse MobilityAug 21, 2025Exposed to the same EMB3D threatTID-324No feedback feed from manufacturer
Five flaws in Sante PACS Server, and one sends credentials in cleartextAug 12, 2025Exposed to the same EMB3D threatTID-319No feedback feed from manufacturer
Dario Health glucose monitoring app and servers exposed cross-user health dataFeb 27, 2025Exposed to the same EMB3D threatTID-319No feedback feed from manufacturer
Unauthenticated SQL injection into an imaging database, base score 9.8Dec 6, 2024Exposed to the same EMB3D threatTID-320No feedback feed from manufacturer
A 10.0 SQL injection on a patient health portalSep 5, 2024Exposed to the same EMB3D threatTID-320No feedback feed from manufacturer
Softneta MedDream PACS allows unauthenticated remote code executionSep 5, 2023Exposed to the same EMB3D threatTID-324No feedback feed from manufacturer
BD Synapsys sessions did not expire, risking changes to patient dataMay 31, 2022Exposed to the same EMB3D threatTID-321No feedback feed from manufacturer
LifePoint Informatics Patient Portal generated lab report PDFs from a URL and a patient IDApr 5, 2022Exposed to the same EMB3D threatTID-324No feedback feed from manufacturer
Philips Tasy EMR HTML5 has two SQL injection flaws that expose patient dataNov 4, 2021Exposed to the same EMB3D threatTID-320No feedback feed from manufacturer
Philips Gemini PET/CT systems write sensitive data to removable media without access controlMar 25, 2021Exposed to the same EMB3D threatTID-324No feedback feed from manufacturer
Innokas VC150 vital signs monitor accepts HL7 injection and stored XSSJan 7, 2021Exposed to the same EMB3D threatTID-319No feedback feed from manufacturer
Philips Clinical Collaboration Platform 12.2.1 and earlier has five web and authentication flawsSep 17, 2020Exposed to the same EMB3D threatTID-319No feedback feed from manufacturer
Philips IntelliVue monitors and PIC iX skip certificate revocation and crash on bad inputSep 10, 2020Exposed to the same EMB3D threatTID-319No feedback feed from manufacturer
OpenClinic GA advisory lists authentication bypass, file upload and SQL abuse flawsJul 2, 2020Exposed to the same EMB3D threatTID-319No feedback feed from manufacturer
Philips Tasy EMR and WebPortal carry cross-site scripting and information exposure flawsApr 30, 2019Exposed to the same EMB3D threatTID-319No feedback feed from manufacturer
Roche Accu-Chek and CoaguChek point of care handhelds expose a weakly protected service interfaceNov 6, 2018Exposed to the same EMB3D threatTID-324No feedback feed from manufacturer
Medtronic 2090 CareLink and 29901 Encore programmers accept updates without verifying their originFeb 27, 2018Exposed to the same EMB3D threatTID-323No feedback feed from manufacturer
B. Braun SpaceStation with SpaceCom module has an open redirect in its web serverMar 23, 2017Exposed to the same EMB3D threatTID-319No feedback feed from manufacturer

Threats and weaknesses in matched advisories

MITRE EMB3D threats
TID-211 Device Allows Unauthenticated Firmware Installation TID-213 Faulty FW/SW Update Integrity Verification TID-215 Unencrypted SW/FW Updates TID-222 Critical System Service May Be Disabled TID-226 Device leaks security information in logs TID-310 Remotely Accessible Unauthenticated Services TID-316 Incorrect Certificate Verification Allows Authentication Bypass TID-319 Cross Site Scripting (XSS) TID-320 SQL Injection TID-323 Path Traversal TID-324 HTTP Direct Object Reference TID-329 Improper Password Storage TID-401 Undocumented Protocol Features TID-404 Remotely Triggerable Deadlock/DoS TID-405 Network Stack Resource Exhaustion TID-406 Unauthorized Messages or Connections TID-408 Unencrypted Sensitive Data Communication TID-411 Weak/Insecure Cryptographic Protocol
CWE weaknesses
CWE-20 Improper Input Validation CWE-200 Exposure of Sensitive Information to an Unauthorized Actor CWE-284 Improper Access Control CWE-319 Cleartext Transmission of Sensitive Information CWE-326 Inadequate Encryption Strength CWE-345 Insufficient Verification of Data Authenticity CWE-400 Uncontrolled Resource Consumption CWE-476 NULL Pointer Dereference CWE-494 Download of Code Without Integrity Check CWE-639 Authorization Bypass Through User-Controlled Key CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')