Buffer Overflow Vulnerability in iSTAR Configuration Utility by Johnson Controls
CVE-2025-26382

9.3CRITICAL

Key Information:

Vendor

Johnson Controls

Status
Istar Configuration Utility (icu)
Vendor
CVE Published:
24 April 2025

What is CVE-2025-26382?

The iSTAR Configuration Utility from Johnson Controls is susceptible to a buffer overflow vulnerability under specific conditions, potentially allowing attackers to execute arbitrary code or disrupt the system's performance. This vulnerability poses a serious risk, particularly in environments where the integrity and availability of systems are critical.

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:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Reid Wightman
JSON
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CVE-2025-26382 : Buffer Overflow Vulnerability in iSTAR Configuration Utility by Johnson Controls