CVE-2024-32752
Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool
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
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
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool
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
- Record
CVE-2024-32752- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2024-30539
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
- Record
EUVD-2024-30539- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-j85x-732x-xq8q
Under certain circumstances communications between the ICU tool and an iSTAR Pro door controller...
Under certain circumstances communications between the ICU tool and an iSTAR Pro door controller is susceptible to Machine-in-the-Middle attacks which could impact door control and configuration.
- Record
GHSA-j85x-732x-xq8q- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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 - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
NVD
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
- Record
CVE-2024-32752- CVSS 4.0
- 8.8 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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 - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-306
- 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-2024-32752 is a high vulnerability (CVSS 8.8) in Johnson Controls Istar Configuration Utility (icu), published June 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. No source names a fixed version.