CVE-2025-53698

Published Nov 13, 2026 CVSS 4.0 · 7 High EPSS n/a KEV · Not listed

Description

Missing protection mechanism for alternate hardware interface vulnerability in Johnson Controls iSTAR Ultra and Johnson Controls iSTAR Ultra SE allows CAPEC‑554: Functionality Bypass.

This issue affects iSTAR Ultra: before 6.9.2.CU02; iSTAR Ultra SE: before 6.9.2.CU02.

Affected Products

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

iSTAR Ultra

unaffected

Version	Status	Constraints
`0`	affected	< 6.9.2.CU02

Johnson Controls

iSTAR Ultra SE

unaffected

Version	Status	Constraints
`0`	affected	< 6.9.2.CU02

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

No advisories available

Metrics

Attack Vector Physical

Attack Complexity Low

Privileges Required None

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

Nov 13, 2026 10:00 PM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		Missing protection mechanism for alternate hardware interface vulnerability in Johnson Controls iSTAR Ultra and Johnson Controls iSTAR Ultra SE allows CAPEC‑554: Functionality Bypass. This issue affects iSTAR Ultra: before 6.9.2.CU02; iSTAR Ultra SE: before 6.9.2.CU02.
First Time appeared		Johnson Controls Johnson Controls istar Ultra Johnson Controls istar Ultra Se
Weaknesses		CWE-1299
CPEs		cpe:2.3:a:johnson_controls:istar_ultra:::::::: cpe:2.3:a:johnson_controls:istar_ultra_se::::::::
Vendors & Products		Johnson Controls Johnson Controls istar Ultra Johnson Controls istar Ultra Se
References		https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
Metrics		cvssV4_0 `{'score': 7, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}`