iSTAR- Improper Validation of Certificate Expiration_CVE-2025-61736

7.1 / 10

HIGH

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

Description

Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.

Basic Information

ID CVE-2025-61736

Source jci

Published Dec 17, 2025 at 12:36

Affected Product

Vendor Johnson Controls

Product iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SE

Version iSTAR All versions prior to TLS 1.2

Affected Versions Johnson Controls iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SE iSTAR All versions prior to TLS 1.2

CWE Classification

CWE-298

References

{
    "lastseen": "",
    "description": "Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.",
    "published": "2025-12-17T12:36:24.178Z",
    "modified": "2025-12-17T12:36:24.178Z",
    "type": "cve",
    "title": "iSTAR- Improper Validation of Certificate Expiration",
    "source": "jci",
    "references": "https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories\nhttps://www.cisa.gov/news-events/ics-advisories/icsa-25-338-04",
    "id": "CVE-2025-61736",
    "bulletinFamily": "",
    "cwe": [
        "CWE-298"
    ],
    "cvelist": null,
    "sourceData": "Johnson Controls iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SE iSTAR All versions prior to TLS 1.2",
    "sourceHref": "",
    "cvss": {
        "score": 7.1,
        "severity": "HIGH",
        "vector": "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"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
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            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SE",
    "version": "iSTAR All versions prior to TLS 1.2",
    "vendor": "Johnson Controls",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}