{
    "CVE_data_meta": {
        "ASSIGNER": "prodsec@nozominetworks.com",
        "DATE_PUBLIC": "2022-02-15T23:00:00.000Z",
        "ID": "CVE-2021-26726",
        "STATE": "PUBLIC",
        "TITLE": "Remote code execution in Valmet DNA before Collection 2021"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Valmet DNA",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "Collection 2012",
                                            "version_value": "Collection 2021"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Valmet DNA"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "This bug was found by Ivan Speziale of Nozomi Networks"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A remote code execution vulnerability affecting a Valmet DNA service listening on TCP port 1517, allows an attacker to execute commands with SYSTEM privileges This issue affects: Valmet DNA versions from Collection 2012 until Collection 2021."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-305 Authentication Bypass by Primary Weakness"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-209 Information Exposure Through an Error Message"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-272 Least Privilege Violation"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-78 OS Command Injection"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26726/",
                "refsource": "CONFIRM",
                "url": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26726/"
            },
            {
                "name": "https://www.valmet.com/about-us/research-and-development/vulnerabilityadvisories/",
                "refsource": "MISC",
                "url": "https://www.valmet.com/about-us/research-and-development/vulnerabilityadvisories/"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Upgrade to Valmet DNA version Collection 2021  \n"
        }
    ],
    "source": {
        "advisory": "https://security.nozominetworks.com/NN-2021:2-01",
        "defect": [
            "NN_2021-0021"
        ],
        "discovery": "EXTERNAL"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "Use Valmet DNA Firewall feature to limit access to TCP port 1517"
        }
    ]
}