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01 Record

CVE-2025-53699

Missing protection mechanism for alternate hardware interface vulnerability in Johnson Controls iSTAR Ultra, Johnson Controls iSTAR Ultra SE, Johnson Controls iSTAR Ultra G2, Johnson Controls iSTAR

HighPUBLISHEDCNA: jci
CNA base score7.0 CVSS v4.0CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

02 Description

Missing protection mechanism for alternate hardware interface vulnerability in Johnson Controls iSTAR Ultra, Johnson Controls iSTAR Ultra SE, Johnson Controls iSTAR Ultra G2, Johnson Controls iSTAR

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
7.0 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status
Received. NVD last modified this record on 2026-11-13.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-11-13 21:50Z2 HR AGO
Last updated
2026-11-13 21:50Z2 HR AGO
Reserved
2025-07-08
Assigning CNA
jci
Record state
PUBLISHED
Severity
High (CVSS 7.0)
CNA CVSS 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
Weaknesses
  • CWE-1299Missing Protection Mechanism for Alternate Hardware InterfaceBase
Data version
5.2
Document digest
43ed97e4ca689452d9b8d81b8a97b8abf34b18c8dd0cead4d26727e689df28d0

05 Affected products

VendorProductVersionsPlatforms
Johnson ControlsiSTAR Ultra0 to < 6.9.2.CU02—
Johnson ControlsiSTAR Ultra SE0 to < 6.9.2.CU02—
Johnson ControlsiSTAR Ultra G20 to < 6.9.2.CU02—
Johnson ControlsiSTAR Ultra G2 SE0 to < 6.9.2.CU02—
Johnson ControlsiSTAR Edge G20 to < 6.9.2.CU02—

06 References