CVE-2026-71456 - Vulnerability Details - OpenCVE

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.

Published: 2026-10-26

Score: 8.5 High

EPSS: n/a

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Johnson Controls

Kantech Entrapass

unaffected

Version	Status	Constraints
`0`	affected	< 9.20

No data.

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

No advisories yet.

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.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

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

History

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'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: jci

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

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

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

Link: CVE-2026-71456

Vulnrichment

No data.

NVD

Status : Received

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

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

Link: CVE-2026-71456

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-321
Use of Hard-coded Cryptographic Key

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