Memory Leak Vulnerability in iSTAR Configuration Utility by Johnson Controls
CVE-2025-26383

6.3MEDIUM

Key Information:

Vendor

Johnson Controls

Status
Istar Configuration Utility (icu)
Vendor
CVE Published:
11 June 2025

What is CVE-2025-26383?

The iSTAR Configuration Utility (ICU) tool developed by Johnson Controls contains a vulnerability that results in the leaking of memory. This flaw may inadvertently expose unauthorized data from the Windows PC on which the ICU is installed. Such vulnerabilities can pose significant risks, allowing unauthorized access to sensitive information if not properly mitigated. Users are advised to review their configurations and apply security best practices to safeguard their data.

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Deploy the Patch

Affected Version(s)

iSTAR Configuration Utility (ICU) 0

References

https://www.johnsoncontrols.com/trust-center/cybersecurit...
https://www.cisa.gov/news-events/ics-advisories/icsa-25-1...

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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