---
id: CVE-2026-34493
title: >-
  - On-Chip Debug Interface vulnerability in Johnson Controls EasyIO FS32 allows
  Collect Data from Common Resource Locations.


  This issue affects EasyIO FS32: before 3.3b63.
summary: >-
  - On-Chip Debug Interface vulnerability in Johnson Controls EasyIO FS32 allows
  Collect Data from Common Resource Locations.


  This issue affects EasyIO FS32: before 3.3b63.
severity: high
cvss: 7.2
cvssVector: 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:H/SI:H/SA:H'
cwe:
  - CWE-1191
vendor: Johnson Controls
product: EasyIO FS32
affected:
  - easyio_fs32 < 3.3b63
published: '2026-10-01'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T22:17:01.720'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-34493'
references:
  - url: >-
      https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
    label: productsecurity@jci.com
tags:
  - nvd
  - cve.org
cvssSource: cna
ingestedAt: '2026-10-01T23:03:32.771Z'
---

## Overview

- On-Chip Debug Interface vulnerability in Johnson Controls EasyIO FS32 allows Collect Data from Common Resource Locations.

This issue affects EasyIO FS32: before 3.3b63.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.