{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-26386", "assignerOrgId": "7281d04a-a537-43df-bfb4-fa4110af9d01", "state": "PUBLISHED", "assignerShortName": "jci", "dateReserved": "2025-02-07T14:15:53.880Z", "datePublished": "2026-01-28T11:24:46.317Z", "dateUpdated": "2026-01-28T15:49:08.575Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "iSTAR Configuration Utility (ICU)", "vendor": "Johnson Controls", "versions": [{"status": "affected", "version": "iSTAR Configuration Utility (ICU) tool version 6.9.7 and prior", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Bughunter Tenable"}], "datePublic": "2026-01-22T11:17:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "&nbsp;Johnson Controls iSTAR Configuration Utility (ICU) has&nbsp;Stack-based Buffer Overflow vulnerability. This issue affects iSTAR Configuration Utility (ICU) version 6.9.7 and prior. Successful exploitation of this vulnerability could result in failure within the operating system of the machine hosting the ICU tool.<br><br><br>"}], "value": "Johnson Controls iSTAR Configuration Utility (ICU) has\u00a0Stack-based Buffer Overflow vulnerability. This issue affects iSTAR Configuration Utility (ICU) version 6.9.7 and prior. Successful exploitation of this vulnerability could result in failure within the operating system of the machine hosting the ICU tool."}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 7.1, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "7281d04a-a537-43df-bfb4-fa4110af9d01", "shortName": "jci", "dateUpdated": "2026-01-28T11:29:35.277Z"}, "references": [{"url": "https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-04"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Update the ICU to version 6.9.8 <br>"}], "value": "Update the ICU to version 6.9.8"}], "source": {"discovery": "UNKNOWN"}, "title": "Stack-based Buffer Overflow in Johnson Controls iSTAR Configuration Utility (ICU) tool", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-28T15:49:04.597857Z", "id": "CVE-2025-26386", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-28T15:49:08.575Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-26386", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-28T15:49:04.597857Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-28T15:48:26.925Z"}}], "cna": {"title": "Stack-based Buffer Overflow in Johnson Controls iSTAR Configuration Utility (ICU) tool", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Bughunter Tenable"}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Johnson Controls", "product": "iSTAR Configuration Utility (ICU)", "versions": [{"status": "affected", "version": "iSTAR Configuration Utility (ICU) tool version 6.9.7 and prior", "versionType": "custom"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update the ICU to version 6.9.8", "supportingMedia": [{"type": "text/html", "value": "Update the ICU to version 6.9.8 <br>", "base64": false}]}], "datePublic": "2026-01-22T11:17:00.000Z", "references": [{"url": "https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-04"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "descriptions": [{"lang": "en", "value": "Johnson Controls iSTAR Configuration Utility (ICU) has\u00a0Stack-based Buffer Overflow vulnerability. This issue affects iSTAR Configuration Utility (ICU) version 6.9.7 and prior. Successful exploitation of this vulnerability could result in failure within the operating system of the machine hosting the ICU tool.", "supportingMedia": [{"type": "text/html", "value": "&nbsp;Johnson Controls iSTAR Configuration Utility (ICU) has&nbsp;Stack-based Buffer Overflow vulnerability. This issue affects iSTAR Configuration Utility (ICU) version 6.9.7 and prior. Successful exploitation of this vulnerability could result in failure within the operating system of the machine hosting the ICU tool.<br><br><br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "7281d04a-a537-43df-bfb4-fa4110af9d01", "shortName": "jci", "dateUpdated": "2026-01-28T11:29:35.277Z"}}}, "cveMetadata": {"cveId": "CVE-2025-26386", "state": "PUBLISHED", "dateUpdated": "2026-01-28T15:49:08.575Z", "dateReserved": "2025-02-07T14:15:53.880Z", "assignerOrgId": "7281d04a-a537-43df-bfb4-fa4110af9d01", "datePublished": "2026-01-28T11:24:46.317Z", "assignerShortName": "jci"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Johnson Controls iSTAR Configuration Utility (ICU) has\u00a0Stack-based Buffer Overflow vulnerability. This issue affects iSTAR Configuration Utility (ICU) version 6.9.7 and prior. Successful exploitation of this vulnerability could result in failure within the operating system of the machine hosting the ICU tool."}], "id": "CVE-2025-26386", "lastModified": "2026-01-29T16:31:35.700", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "productsecurity@jci.com", "type": "Secondary"}]}, "published": "2026-01-28T12:15:50.370", "references": [{"source": "productsecurity@jci.com", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-022-04"}, {"source": "productsecurity@jci.com", "url": "https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"}], "sourceIdentifier": "productsecurity@jci.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "productsecurity@jci.com", "type": "Secondary"}]}

{}

{"created": "2026-01-29T09:18:20.529181+00:00", "updated": "2026-01-29T09:18:20.529214+00:00", "vendors": ["johnsoncontrols", "johnsoncontrols$PRODUCT$istar_configuration_utility"]}