CVE-2025-53699
Received
Received - Intake
Missing Protection Mechanism in Johnson Controls iSTAR Ultra Series
Vulnerability report for CVE-2025-53699, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-13
Last updated on: 2026-11-13
Assigner: Johnson Controls
Description
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 Ultra G2 SE, and Johnson Controls iSTAR Edge G2 allows CAPEC‑554: Functionality Bypass.
This issue affects iSTAR Ultra: before 6.9.2.CU02; iSTAR Ultra SE: before 6.9.2.CU02; iSTAR Ultra G2: before 6.9.2.CU02; iSTAR Ultra G2 SE: before 6.9.2.CU02; iSTAR Edge G2: before 6.9.2.CU02.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| johnson_controls | istar_ultra | to 6.9.2.CU02 (exc) |
| johnson_controls | istar_ultra_se | to 6.9.2.CU02 (exc) |
| johnson_controls | istar_ultra_g2 | to 6.9.2.CU02 (exc) |
| johnson_controls | istar_ultra_g2_se | to 6.9.2.CU02 (exc) |
| johnson_controls | istar_edge_g2 | to 6.9.2.CU02 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-1299 | The lack of protections on alternate paths to access control-protected assets (such as unprotected shadow registers and other external facing unguarded interfaces) allows an attacker to bypass existing protections to the asset that are only performed against the primary path. |
