What’s Vulnerable › Vulnerabilities

CVE-2022-21941: iSTAR Ultra

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-31 · updated 2026-06-17
• Weakness: CWE-77

Description

All versions of iSTAR Ultra prior to version 6.8.9.CU01 are vulnerable to a command injection that could allow an unauthenticated user root access to the system.

Affected products

• Johnson Controls iSTAR Ultra: before 6.8.9.cu01 — fixed in 6.8.9.cu01

How to fix

Upgrade to a fixed version: Johnson Controls iSTAR Ultra 6.8.9.cu01. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-242-11
• https://www.johnsoncontrols.com/cyber-solutions/security-advisories
• https://www.cisa.gov/uscert/ics/advisories/icsa-22-242-11
• https://www.johnsoncontrols.com/cyber-solutions/security-advisories

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