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CVE-2026-64896— T2000 open debug port

Quick assessment

Affected
Johnson Controls T2000
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Johnson Controls T2000 中的“调试和测试接口访问控制不当”漏洞，允许用户访问未通过 ACL（访问控制列表）正确约束的功能。 此问题影响 T2000 31.6 之前的版本。

CVSS 5.2 · Medium EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Johnson Controls T2000 < 31.6 affected
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I. Basic Information for CVE-2026-64896

Vulnerability Information
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Vulnerability Title
T2000 open debug port
Source: CVE Program / CVE List V5
Vulnerability Description
Debug and Test Interface With Improper Access Control vulnerability in Johnson Controls T2000 allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects T2000: before 31.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Johnson Controls T2000 0 ~ 31.6 -

II. Public POCs for CVE-2026-64896

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III. Intelligence Information for CVE-2026-64896

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Vendor Pages for CVE-2026-64896 (1)

IV. Related Vulnerabilities

Same vendor: Johnson Controls

V. Comments for CVE-2026-64896

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