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

Classification

CVE ID: CVE-2024-32752

CVSS Base Severity: CRITICAL

CVSS Base Score: 9.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected Products

Vendor: Johnson Controls

Product: iSTAR Configuration Utility (ICU), iSTAR Pro, Edge and eX, iSTAR Ultra and Ultra LT

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.21% (probability of being exploited)

EPSS Percentile: 43.99% (scored less or equal to compared to others)

EPSS Date: 2025-05-23 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: partial

SSVC Automatable: true

References

https://nvd.nist.gov/vuln/detail/CVE-2024-32752
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
https://www.cisa.gov/news-events/ics-advisories/icsa-24-158-04

Timeline