CVE-2026-34493

ON‑Chip Debug Interface Vulnerability Exposing Common Resource Data

Published Oct 1, 2026 CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
Description
- 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

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title ON‑Chip Debug Interface Vulnerability Exposing Common Resource Data
Type Values Removed Values Added
Description - 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.
First Time appeared Johnson Controls
Johnson Controls easyio Fs32
Weaknesses CWE-1191
CPEs cpe:2.3:a:johnson_controls:easyio_fs32:*:*:*:*:*:*:*:*
Vendors & Products Johnson Controls
Johnson Controls easyio Fs32
References
Metrics cvssV4_0

{'score': 7.2, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jci
Published
Updated
Oct 2, 2026, 7:31 PM
Reserved
Mar 30, 2026, 8:25 AM
Status
Deferred
Published
Oct 1, 2026, 10:17 PM
Modified
Oct 2, 2026, 8:17 PM