Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool
Priority MEDIUM 45CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
The iSTAR door controllers running firmware prior to version 6.6.B, does not support authenticated communications with ICU, which may allow an attacker to gain unauthorized access
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00586 48th percentileScored 2026-11-07
Fix Fixed iSTAR Ultra and Ultra LT (Johnson Controls): 6.6.B
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Johnson Controls | iSTAR Configuration Utility (ICU) | up to All | — | No fix listed | CNA |
| Johnson Controls | iSTAR Pro, Edge and eX | up to All | — | No fix listed | CNA |
| Johnson Controls | iSTAR Ultra and Ultra LT | before 6.6.B | 6.6.B | Patch available | CNA |
- iSTAR Configuration Utility (ICU) VendorJohnson Controls Affected up to All Fixed in — No fix listed CNA
- iSTAR Pro, Edge and eX VendorJohnson Controls Affected up to All Fixed in — No fix listed CNA
- iSTAR Ultra and Ultra LT VendorJohnson Controls Affected before 6.6.B Fixed in 6.6.B Patch available CNA
CPE names CISA-ADP · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:johnsoncontrols:software_house_istar_pro_door_controller:*:*:*:*:*:*:*:* | — | — | Johnson Controls |
| cpe:2.3:h:johnsoncontrols:icu:*:*:*:*:*:*:*:* | — | — | Johnson Controls |
- cpe:2.3:h:johnsoncontrols:software_house_istar_pro_door_controller:*:*:*:*:*:*:*:* Versions — — ·Johnson Controls
- cpe:2.3:h:johnsoncontrols:icu:*:*:*:*:*:*:*:* Versions — — ·Johnson Controls
Remediation
- Fix · CNA iSTAR Ultra and Ultra LT (Johnson Controls) Fixed in 6.6.B
Timeline
- 2026-10-02 Threatist record created from CVE-2024-32752
- 2026-10-03 Alias added: GHSA-j85x-732x-xq8q
References
More Johnson Controls vulnerabilities
- TI-2025-19346 Metasys product command injection vulnerability could allow remote SQL execution CVSS 4.0CRITICAL 9.5
- TI-2023-01901 Improper Authentication for OpenBlue Enterprise Manager Data Collector CVSS 3.1CRITICAL 10.0
- TI-2023-04421 An unauthorized user could access debug features in Quantum HD Unity products that were… CVSS 3.1CRITICAL 10.0
- TI-2026-17437 Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution CVSS 4.0HIGH 8.8
- TI-2025-19344 Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool CVSS 4.0CRITICAL 9.3
- TI-2023-03311 Missing brute-force protection in Johnson Controls IQ Wifi 6 CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-32752 · CVE Program
- CVE-2024-32752 · NVD
- FIRST EPSS
- GHSA-j85x-732x-xq8q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences