MediumCVE-2025-53700

Johnson Controls iSTAR: security vulnerability (CVE-2025-53700)

Published 13.11.2026Sources: EUVD, CVE.org

What is affected, what to do

CWE‑922 Insecure Storage of Sensitive Information vulnerability in Johnson Controls iSTAR Ultra, Johnson Controls iSTAR Ultra SE, Johnson Controls iSTAR Ultra G2, Johnson Controls iSTAR Ultra G2 SE, and Johnson Controls iSTAR Edge G2 allows CAPEC‑15 File Manipulation. This issue affects iSTAR Ultra: before 6.9.2.CU02; iSTAR Ultra SE: before 6.9.2.CU02; iSTAR Ultra G2: before 6.9.2.CU02; iSTAR Ultra G2 SE: before 6.9.2.CU02; iSTAR Edge G2: before 6.9.2.CU02.

Update Johnson Controls iSTAR Ultra to version 6.9.2.CU02, Johnson Controls iSTAR Ultra SE to version 6.9.2.CU02, Johnson Controls iSTAR Ultra G2 to version 6.9.2.CU02.

Affected: Johnson Controls iSTAR Ultra lt *..6.9.2.CU02
Johnson Controls iSTAR Ultra SE lt *..6.9.2.CU02
Johnson Controls iSTAR Ultra G2 lt *..6.9.2.CU02
Johnson Controls iSTAR Ultra G2 SE lt *..6.9.2.CU02
Johnson Controls iSTAR Edge G2 lt *..6.9.2.CU02
Fixed in: Johnson Controls iSTAR Ultra 6.9.2.CU02
Johnson Controls iSTAR Ultra SE 6.9.2.CU02
Johnson Controls iSTAR Ultra G2 6.9.2.CU02
Johnson Controls iSTAR Ultra G2 SE 6.9.2.CU02
Johnson Controls iSTAR Edge G2 6.9.2.CU02

Not sure whether and how you are affected? Ask a question about this vulnerability

Metrics

6.3

XIEM Effective CVSS

Highest available CVSS rating from NVD and vendor data.

Source: Vendor (CNA), CVSS v4

6.3

CVSS v4

Severity Medium on the scale from 0 to 10.

Source: EUVD, CVE.org

—

EPSS score

No value is available for this vulnerability.

Show all metrics

Severity: Medium
Priority (0–325) The priority score is a consolidated metric that condenses several individual signals into a single, action-guiding ranking: technical severity (CVSS), exploitation likelihood (EPSS), known-exploited status (KEV) and the context of the affected asset. The aim is to answer the only truly important question in vulnerability management: what first? Read in glossary: 61.50 Methodology
Exploit maturity An exploit is code or a technique that specifically uses a concrete vulnerability to force unintended behaviour — such as executing code or escalating privileges. It is the tool that turns a theoretical flaw into a practical attack. Read in glossary: no public PoC known
XIEM Effective CVSS XIEM® is the tiered managed-security operating model from NEOSEC and a registered trademark of NEOSEC GmbH. It extends classic SIEM — the central collection, normalisation and correlation of security-relevant events — with endpoint forensics, network visibility and deception technology, and consolidates them into three building tiers: Sentry, Orchestrate and Command. Read in glossary: 6.3 Methodology
CVSS v4 CVSS is the globally established, open standard for assessing the technical severity of a vulnerability on a scale from 0 to 10. It describes how easily a flaw can be exploited and what damage it can cause — but not how likely its actual exploitation is. CVSS and the complementary EPSS deliberately answer different questions. Read in glossary: 6.3
KEV status The KEV catalogue is a list maintained by the US authority CISA of vulnerabilities for which active exploitation in the wild has been confirmed. It answers not the question „how severe?“ but „is it already being attacked?“ — thereby sharply prioritising patching. Read in glossary: —
Published: 13.11.2026

Detection rules

No NEOSEC detection rule is available for this vulnerability yet.

Classification under NIS2 and CRA

Rule-based classification from exploitation status and severity. It does not replace a case-by-case assessment.

NIS2 NIS2 is EU Directive (EU) 2022/2555 to raise the level of cybersecurity across the Union. It substantially broadens obligations compared with the first NIS directive: more sectors, mandatory risk management, staged reporting duties and personal accountability of senior management. Read in glossary: Handle the vulnerability in regular vulnerability handling under Art. 21(2)(e) NIS2.
CRA The CRA is EU Regulation (EU) 2024/2847 setting horizontal cybersecurity requirements for „products with digital elements“ — from industrial controllers and software to connected consumer devices. For the first time manufacturers must ensure security across the entire product lifecycle, handle vulnerabilities and provide security updates. Read in glossary: From 11.12.2027, Annex I Part II CRA requires manufacturers of affected products with digital elements to handle vulnerabilities without delay and provide security updates.
ISO/IEC 27001 ISO/IEC 27001 is the internationally leading standard for an information security management system (ISMS). It describes a risk-based, process-oriented framework to systematically plan, implement, review and improve information security. Read in glossary: Control A.8.8, management of technical vulnerabilities: assess relevance to your systems, plan remediation and keep evidence.

Description

Source: ENISA EUVD, cvelistv5, CVE.org (MITRE), NVD (NIST)

Affected products

The following versions are affected. Older releases of the same product line are also vulnerable unless stated otherwise.

Affected products
		Affected versions	Fixed in
Johnson Controls	iSTAR Edge G2	`< 6.9.2.CU02`	`6.9.2.CU02`
Johnson Controls	iSTAR Ultra	`< 6.9.2.CU02`	`6.9.2.CU02`
Johnson Controls	iSTAR Ultra G2	`< 6.9.2.CU02`	`6.9.2.CU02`
Johnson Controls	iSTAR Ultra G2 SE	`< 6.9.2.CU02`	`6.9.2.CU02`
Johnson Controls	iSTAR Ultra SE	`< 6.9.2.CU02`	`6.9.2.CU02`

Vendors and products

Johnson Controls

References & sources

johnsoncontrols.comtrust-center/cybersecurity/security-advisorieseuvd
NVD (NIST)vuln/detail/CVE-2025-53700euvd

Embed badge

Show the severity and KEV status of this vulnerability on your site – with a link back here. The image is updated hourly.

<a href="https://intel.neosec.eu/en/cve/CVE-2025-53700"><img src="https://intel.neosec.eu/badge/cve/CVE-2025-53700.svg?lang=en" alt="CVE-2025-53700 – NEOSEC Intel" height="20"></a>