High severity · published Oct 1, 2026
CVE-2026-64893
- Cleartext Transmission of Sensitive Information vulnerability in Johnson Controls EasyIO NEO allows - Man In the Middle Attack
7.3
CVSS
0.1%
EPSS
No
On KEV
Description
- Cleartext Transmission of Sensitive Information vulnerability in Johnson Controls EasyIO NEO allows - Man In the Middle Attack.
This issue affects EasyIO NEO: before 3.3b25.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EN
EasyIO NEO · Johnson Controls
before 3.3b25 · source: vendor
In the news
VulnerabilityMedium
Johnson Controls EasyIO Neo Series EC and CW Controllers
View CSAF
Summary
Successful exploitation of this vulnerability could allow an attacker tointercept and read sensitive information, including credentials andsession data.
The following versions of Johnson Controls EasyIO Neo Series EC and CW Controllers are affected:
EasyIO Neo Series EC Controllers V3.3b62 (CVE-2026-64893)
EasyIO Neo Series EC Controllers V3.3b63 (CVE-2026-64893)
EasyIO Neo Series CW Controllers V3.3b24 (CVE-2026-64893)
EasyIO Neo Series CW Controllers V3.3b25 (CVE-2026-64893)
CVSS
Vendor
Equipment
Vulnerabilities
v3 5.4
Johnson Controls
Johnson Controls EasyIO Neo Series EC and CW Controllers
Cleartext Transmission of Sensitive Information
Background
Critical Infrastructure Sectors: Critical Manufacturing, Commercial Facilities, Government Services and Facilities, Transportation Systems, Energy
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Ireland
Vulnerabilities
Expand All +
CVE-2026-64893
Johnson Controls is aware of a vulnerability in EasyIO Neo which may allow an attacker to intercept and read sensitive information, including credentials and session data, transmitted in cleartext over the network. Successful exploitation could result in technical or operational impact. EasyIO Neo is a programmable building automation edge controller used to manage and automate HVAC, lighting, and energy systems in commercial buildings through a web-ba...
Oct 1, 2026·CISA Advisories
