Critical severity · published Jun 6, 2024
CVE-2024-32752
Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool
9.1
CVSS
0.6%
EPSS
No
On KEV
Description
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IC
iSTAR Configuration Utility (ICU) · Johnson Controls
through All · source: vendor
IP
iSTAR Pro, Edge and eX · Johnson Controls
through All · source: vendor
IU
iSTAR Ultra and Ultra LT · Johnson Controls
before 6.6.B · source: vendor
IC
Icu · Johnsoncontrols
All versions, or not specified · source: CISA
SH
Software House Istar Pro Door Controller · Johnsoncontrols
All versions, or not specified · source: CISA
Affected product
IC
iSTAR Configuration Utility (ICU)
Johnson Controls
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-32752
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-32752
www.cisa.gov
https://www.cisa.gov/news-events/ics-advisories/icsa-24-158-04
www.johnsoncontrols.com
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
www.johnsoncontrols.com
https://www.johnsoncontrols.com/-/media/jci/cyber-solutions/product-security-advisories/2024/jci-psa-2024-06.pdf
More from iSTAR Configuration Utility (ICU)
9.3
CVE-2025-26382
Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool
7.1
CVE-2025-26386
Stack-based Buffer Overflow in Johnson Controls iSTAR Configuration Utility (ICU) tool
6.3
CVE-2025-26383
The iSTAR Configuration Utility (ICU) tool leaks memory, which could result in the unintended exposure of unauthorized data from the Windows PC that ICU is running on