{
    "CVE_data_meta": {
        "ASSIGNER": "security@qnap.com",
        "DATE_PUBLIC": "2021-05-21T01:07:00.000Z",
        "ID": "CVE-2021-28798",
        "STATE": "PUBLIC",
        "TITLE": "Relative Path Traversal Vulnerability in QTS and QuTS hero"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "QTS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "4.5.2.1630 Build 20210406"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_value": "4.3.6.1663 Build 20210504"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_value": "4.3.3.1624 Build 20210416"
                                        },
                                        {
                                            "version_affected": "!",
                                            "version_value": "4.5.3"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "QuTS hero",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "h4.5.2.1638 Build 20210414 "
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "QNAP Systems Inc."
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "ZUSO ART"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A relative path traversal vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to modify files that impact system integrity. QNAP have already fixed this vulnerability in the following versions: QTS 4.5.2.1630 Build 20210406 and later QTS 4.3.6.1663 Build 20210504 and later QTS 4.3.3.1624 Build 20210416 and later QuTS hero h4.5.2.1638 Build 20210414 and later QNAP NAS running QTS 4.5.3 are not affected."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-284 Improper Access Control"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-23 Relative Path Traversal"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-14",
                "name": "https://www.qnap.com/zh-tw/security-advisory/qsa-21-14"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "QNAP have already fixed this vulnerability in the following versions:\n\nQTS 4.5.2.1630 Build 20210406 and later\nQTS 4.3.6.1663 Build 20210504 and later\nQTS 4.3.3.1624 Build 20210416 and later\nQuTS hero h4.5.2.1638 Build 20210414 and later"
        }
    ],
    "source": {
        "advisory": "QSA-21-14",
        "discovery": "EXTERNAL"
    }
}