Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool
Priority MEDIUM 49CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
Under certain circumstances the iSTAR Configuration Utility (ICU) tool could have a buffer overflow issue
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00576 47th percentileScored 2026-11-07
Fix Fixed iSTAR Configuration Utility (ICU) (Johnson Controls): 6.9.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
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) | before 6.9.5 | 6.9.5 | Patch available | CNA |
- iSTAR Configuration Utility (ICU) VendorJohnson Controls Affected before 6.9.5 Fixed in 6.9.5 Patch available CNA
Remediation
- Fix · CNA iSTAR Configuration Utility (ICU) (Johnson Controls) Fixed in 6.9.5
Timeline
- 2026-10-02 Threatist record created from CVE-2025-26382
- 2026-10-03 Alias added: GHSA-mqx7-237c-8fxx
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-2023-03311 Missing brute-force protection in Johnson Controls IQ Wifi 6 CVSS 3.1CRITICAL 9.8
- TI-2021-14622 Cross-site scripting in Johnson Controls CEVAS CVSS 3.1CRITICAL 10.0
Sources
- CVE-2025-26382 · CVE Program
- CVE-2025-26382 · NVD
- FIRST EPSS
- GHSA-mqx7-237c-8fxx · 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