{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-5627",
        "ASSIGNER": "psirt@moxa.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability has been identified in NPort 6000 Series, making the authentication mechanism vulnerable. This vulnerability arises from the incorrect implementation of sensitive information protection, potentially allowing malicious users to gain unauthorized access to the web service. \n"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-303: Incorrect Implementation of Authentication Algorithm",
                        "cweId": "CWE-303"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-257: Storing Passwords in a Recoverable Format",
                        "cweId": "CWE-257"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-327: Use of a Broken or Risky Cryptographic Algorithm",
                        "cweId": "CWE-327"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Moxa",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "NPort 6000 Series",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "1.0",
                                            "version_value": "1.21"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-232905-nport-6000-series-incorrect-implementation-of-authentication-algorithm-vulnerability",
                "refsource": "MISC",
                "name": "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-232905-nport-6000-series-incorrect-implementation-of-authentication-algorithm-vulnerability"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "discovery": "EXTERNAL"
    },
    "solution": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "The vulnerability has been addressed in FWR v2.0 and subsequent versions;  it does NOT exist in these firmware versions.<br><p>For the users still using version v1.x, refer to the <a target=\"_blank\" rel=\"nofollow\" href=\"https://www.moxa.com/en/products/industrial-edge-connectivity/serial-device-servers/terminal-servers/nport-6100-6200-series#resources\">Hardening Guide</a> on Moxa\u2019s website to:</p><ul><li>Upgrade to the newest firmware version.</li><li>Disable the HTTP console.</li></ul>"
                }
            ],
            "value": "The vulnerability has been addressed in FWR v2.0 and subsequent versions;  it does NOT exist in these firmware versions.\nFor the users still using version v1.x, refer to the  Hardening Guide https://www.moxa.com/en/products/industrial-edge-connectivity/serial-device-servers/terminal-servers/nport-6100-6200-series#resources  on Moxa\u2019s website to:\n\n  *  Upgrade to the newest firmware version.\n  *  Disable the HTTP console.\n\n\n"
        }
    ],
    "credits": [
        {
            "lang": "en",
            "value": "Pasha Kravtsov and Nathan Nye from True Anomaly (trueanomaly.space)"
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
            }
        ]
    }
}