CVE-2026-64896 (GCVE-0-2026-64896)
Vulnerability from cvelistv5
Published
2026-08-27 14:42
Modified
2026-08-27 19:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Debug and Test Interface With Improper Access Control
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Johnson Controls | T2000 |
Version: 0 < 31.6 |
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"value": "\u003cdiv\u003e\u003cp\u003eIf immediate update is not possible, Johnson Controls recommends the following mitigations:\u0026nbsp;\u003c/p\u003e\u003c/div\u003e\u003cdiv\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003eRestrict physical access to the device by installing it in a secured equipment room that limits access to authorized service personnel only.\u0026nbsp;\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e\u003cdiv\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003eImplement tamper-evident seals on device housings and panel enclosures to detect and deter unauthorized physical access attempts.\u0026nbsp;\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e\u003cdiv\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003eConduct periodic physical inspections of device installations to identify signs of tampering, unauthorized cable connections, or enclosure breaches.\u0026nbsp;\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e\u003cdiv\u003e\u003cp\u003eAdditional best-practice mitigations that end users can apply as a layer of defense:\u0026nbsp;\u003c/p\u003e\u003c/div\u003e\u003cdiv\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003ePhysically secure\u0026nbsp;the device\u0026nbsp;enclosure to prevent unauthorized access to internal circuit boards and ports.\u0026nbsp;\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e\u003cdiv\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003eImplement authentication mechanisms on any accessible debug interfaces to restrict access to authorized service personnel only.\u0026nbsp;\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e\u003cdiv\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003eMonitor physical access to device installations and implement tamper detection where possible.\u0026nbsp;\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e\u003cdiv\u003e\u003cul\u003e\u003cli\u003e\u003cp\u003eFollow the recommendations in the Johnson Controls Product Hardening Guide available at\u0026nbsp;\u003ca href=\"https://www.johnsoncontrols.com/trust-center/cybersecurity/resources\" target=\"_blank\" rel=\"noreferrer noopener\"\u003ehttps://www.johnsoncontrols.com/trust-center/cybersecurity/resources\u003c/a\u003e.\u0026nbsp;\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e\u003cdiv\u003e\u003cp\u003eThese mitigations reduce risk but may not fully remediate the vulnerability.\u0026nbsp;\u0026nbsp;\u003c/p\u003e\u003c/div\u003e"
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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