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CVE-2025-53698

Vulnerability record

  • High 7.0

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.

Key facts

Published
13 Nov 2026
Last changed
13 Nov 2026
Assigned by
jci
EPSS
0.161% likely to be exploited in the next 30 days, higher than 5.331% of CVEs (scores for 15 Nov 2026)

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.0CVSS 4.0, Highfrom the CNA (jci)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

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

CAPEC‑554: Functionality Bypass (CNA impact statement)

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Johnson ControlsiSTAR Ultra
  • Default status: unaffected
  • 0 up to but excluding 6.9.2.CU02 (affected)
Johnson ControlsiSTAR Ultra SE
  • Default status: unaffected
  • 0 up to but excluding 6.9.2.CU02 (affected)

Timeline

  1. 13 Nov 2026 Published

Weakness

References