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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是美国Johnson Controls公司的一款楼宇自动化控制产品。 Johnson Controls T2000 31.6之前版本存在权限许可和访问控制问题漏洞，该漏洞源于调试和测试接口访问控制不当，可能导致访问未正确受ACL约束的功能。

CVSS 5.2 · Medium EPSS 0.19% · P9

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
Vulnerability Title
Johnson Controls T2000 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Johnson Controls T2000是美国Johnson Controls公司的一款楼宇自动化控制产品。 Johnson Controls T2000 31.6之前版本存在权限许可和访问控制问题漏洞，该漏洞源于调试和测试接口访问控制不当，可能导致访问未正确受ACL约束的功能。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

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

II. Public POCs for CVE-2026-64896

# POC Description Source Link Shenlong Link
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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