CVE-2026-71456

Hard‑coded Cryptographic Key Enables Padding Oracle Attack in Kantech Entrapass

Published Oct 26, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Johnsoncontrols
Johnsoncontrols kantech Entrapass
Vendors & Products Johnsoncontrols
Johnsoncontrols kantech Entrapass
Type Values Removed Values Added
Title Hard‑coded Cryptographic Key Enables Padding Oracle Attack in Kantech Entrapass
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
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jci
Published
Updated
Nov 2, 2026, 7:43 PM
Reserved
Aug 6, 2026, 7:11 PM
Status
Awaiting Analysis
Published
Oct 26, 2026, 5:17 PM
Modified
Nov 2, 2026, 8:17 PM