Improper Server Certificate Validation in Automation Studio_CVE-2025-11043

{
    "lastseen": "",
    "description": "An Improper Certificate Validation vulnerability in the OPC-UA client and ANSL over TLS client used in Automation Studio versions before 6.5 could allow an unauthenticated attacker on the network to position themselves to intercept and interfere with data exchanges.",
    "published": "2026-01-19T15:52:14.618Z",
    "modified": "2026-01-19T15:52:14.618Z",
    "type": "cve",
    "title": "Improper Server Certificate Validation in Automation Studio",
    "source": "ABB",
    "references": "https://www.br-automation.com/fileadmin/SA25P004-4f45197f.pdf",
    "id": "CVE-2025-11043",
    "bulletinFamily": "",
    "cwe": [
        "CWE-295"
    ],
    "cvelist": null,
    "sourceData": "B&R Industrial Automation GmbH B&R Automation Studio 4\nB&R Industrial Automation GmbH B&R Automation Studio 6",
    "sourceHref": "",
    "cvss": {
        "score": 9.1,
        "severity": "CRITICAL",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/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": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "B&R Automation Studio",
    "version": "4",
    "vendor": "B&R Industrial Automation GmbH",
    "ai_description": "Improper Server Certificate Validation vulnerability in B&R Automation Studio",
    "ai_severity": "Critical",
    "ai_vendor": "B&R Industrial Automation GmbH",
    "ai_product": "B&R Automation Studio",
    "ai_version": "4, 6",
    "ai_score": 9.1
}