CVE-2026-71456 - Vulnerability Details - OpenCVE

Use of hard-coded cryptographic key vulnerability in Johnson Controls Kantech Entrapass allows Padding Oracle Crypto Attack. This issue affects Kantech Entrapass: before 9.20.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Johnsoncontrols	Kantech Entrapass

No data.

No data.

References

Link	Providers
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories

History

Mon, 02 Nov 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Mon, 26 Oct 2026 18:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Johnsoncontrols Johnsoncontrols kantech Entrapass
Vendors & Products		Johnsoncontrols Johnsoncontrols kantech Entrapass

Mon, 26 Oct 2026 18:00:00 +0000

Type	Values Removed	Values Added
Title		Hard‑coded Cryptographic Key Enables Padding Oracle Attack in Kantech Entrapass

Mon, 26 Oct 2026 16:30:00 +0000

Type	Values Removed	Values Added
Description		Use of hard-coded cryptographic key vulnerability in Johnson Controls Kantech Entrapass allows Padding Oracle Crypto Attack. This issue affects Kantech Entrapass: before 9.20.
Weaknesses		CWE-321
References		https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
Metrics		cvssV4_0 `{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: jci

Published: 2026-10-26T16:20:31.605Z

Updated: 2026-11-02T19:43:05.947Z

Reserved: 2026-08-06T19:11:09.315Z

Link: CVE-2026-71456

Vulnrichment

Updated: 2026-11-02T19:35:18.702Z

NVD

Status : Awaiting Analysis

Published: 2026-10-26T17:17:28.893

Modified: 2026-11-02T20:17:59.707

Link: CVE-2026-71456

Redhat

No data.

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