{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-61736",
        "assignerOrgId": "7281d04a-a537-43df-bfb4-fa4110af9d01",
        "state": "PUBLISHED",
        "assignerShortName": "jci",
        "dateReserved": "2025-09-30T15:51:17.096Z",
        "datePublished": "2025-12-17T12:36:24.178Z",
        "dateUpdated": "2025-12-17T15:09:46.607Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "affected",
                    "product": "iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SE",
                    "vendor": "Johnson Controls",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "iSTAR All versions prior to TLS 1.2"
                        }
                    ]
                }
            ],
            "datePublic": "2025-12-04T12:30:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<span style=\"background-color: rgb(255, 255, 255);\">Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.</span>"
                        }
                    ],
                    "value": "Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-94",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-94: Adversary in the Middle (AiTM)"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "ADJACENT",
                        "baseScore": 7.1,
                        "baseSeverity": "HIGH",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "HIGH",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-298",
                            "description": "CWE-298-Improper Validation of certificate expiration",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "7281d04a-a537-43df-bfb4-fa4110af9d01",
                "shortName": "jci",
                "dateUpdated": "2025-12-17T12:36:24.178Z"
            },
            "references": [
                {
                    "url": "https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"
                },
                {
                    "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-338-04"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>Johnson Controls recommends the following mitigations:</p><p>Host-based certificates using TLS 1.2:</p><ul><li>Quickest solution</li><li>No Upgrade required to specific C•CURE or iSTAR software/firmware versions</li><li>Requires downloading a new certificate to all iSTAR panels simultaneously, resulting in a brief system downtime</li></ul><p>Convert encryption mode to TLS 1.3, per cluster:</p><ul><li>Requires firmware 6.9.0 or higher, and C•CURE 9000 v2.90 SP3 or higher</li><li>Enables phased implementation by cluster, minimizing disruption</li><li>Note: TLS 1.3 is not supported on iSTAR eX, iSTAR Edge, and iSTAR Ultra LT panels</li></ul><p>Upgrade legacy panels to new G2 hardware:</p><ul><li>Recommended for smaller systems due to time constraints</li><li>Applies primarily to iSTAR eX, iSTAR Edge, and iSTAR LT panels</li></ul>"
                        }
                    ],
                    "value": "Johnson Controls recommends the following mitigations:\n\nHost-based certificates using TLS 1.2:\n\n  *  Quickest solution\n  *  No Upgrade required to specific C•CURE or iSTAR software/firmware versions\n  *  Requires downloading a new certificate to all iSTAR panels simultaneously, resulting in a brief system downtime\n\n\nConvert encryption mode to TLS 1.3, per cluster:\n\n  *  Requires firmware 6.9.0 or higher, and C•CURE 9000 v2.90 SP3 or higher\n  *  Enables phased implementation by cluster, minimizing disruption\n  *  Note: TLS 1.3 is not supported on iSTAR eX, iSTAR Edge, and iSTAR Ultra LT panels\n\n\nUpgrade legacy panels to new G2 hardware:\n\n  *  Recommended for smaller systems due to time constraints\n  *  Applies primarily to iSTAR eX, iSTAR Edge, and iSTAR LT panels"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "iSTAR- Improper Validation of Certificate Expiration",
            "x_generator": {
                "engine": "Vulnogram 0.5.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-12-17T15:07:21.695642Z",
                                "id": "CVE-2025-61736",
                                "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": "2025-12-17T15:09:46.607Z"
                }
            }
        ]
    }
}