CVE-2026-64893
mediumpriority · track · 0OT risk · elevatedEPSS 0.001 · 2 %ileUSEPSS · scored 2026-10-27
- 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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationEasyIO Neo Series CW Controllerscisa_csaf_ot
Before applying updates in production ICS/OT environments, users should review operational impact, backup relevant configurations, test updates in a non-production environment where feasible, and follow applicable change-management and safety procedures.
- MitigationEasyIO Neo Series EC Controllerscisa_csaf_ot
Before applying updates in production ICS/OT environments, users should review operational impact, backup relevant configurations, test updates in a non-production environment where feasible, and follow applicable change-management and safety procedures.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.4–7.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-26-274-05Johnson Controls EasyIO Neo Series EC and CW Controllers2026-10-01icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an attacker tointercept and read sensitive information, including credentials andsession data.
sources
Which sources assert this record, and when.
references (1) nvd
External citations — patches, advisories, analysis.
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan