CVE-2025-26382
Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool
Under certain circumstances the iSTAR Configuration Utility (ICU) tool could have a buffer overflow issue
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool
Under certain circumstances the iSTAR Configuration Utility (ICU) tool could have a buffer overflow issue
- Record
CVE-2025-26382- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2025-11985
Under certain circumstances the iSTAR Configuration Utility (ICU) tool could have a buffer overflow issue
- Record
EUVD-2025-11985- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mqx7-237c-8fxx
Under certain circumstances the iSTAR Configuration Utility (ICU) tool could have a buffer...
Under certain circumstances the iSTAR Configuration Utility (ICU) tool could have a buffer overflow issue
- Record
GHSA-mqx7-237c-8fxx- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/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 - Weakness
- CWE-121
- Updated
- 2026-11-02
NVD
Under certain circumstances the iSTAR Configuration Utility (ICU) tool could have a buffer overflow issue
- Record
CVE-2025-26382- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/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 - Weakness
- CWE-121
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-26382 is a critical vulnerability (CVSS 9.3) in Johnson Controls Istar Configuration Utility (icu), published April 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 47th percentile. No source names a fixed version.