iSTAR Ultra

published 2022-08-31 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27097

cvss: 10.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.1%; EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Johnson Controls iSTAR Ultra 6.8.9.CU01

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-242-11 updated 2022-08-30 cvss 10.0

Sensormatic Electronics iSTAR

Sensormatic Electronics, LLC, Johnson Controls Inc. iSTAR Ultra < 6.8.9 CU01
affected: vendor fix, mitigation “For more detailed mitigation instructions, users should see Johnson Controls Product Security Advisory JCI-PSA-2022-13 v1” swhouse.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.11% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	10.0	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Johnson Controls iSTAR Ultra

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command

References

johnsoncontrols.com /cyber-solutions/security-advisories
mitigation, vendor-advisory
cisa.gov /uscert/ics/advisories/icsa-22-242-11
third-party-advisory, us-government-resource

Sources

CVE List CVE-2022-21941
NVD CVE-2022-21941

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary