{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-4976",
        "assignerOrgId": "3895c224-4e1d-482a-adb3-fa64795683ac",
        "state": "PUBLISHED",
        "assignerShortName": "PureStorage",
        "dateReserved": "2023-09-14T20:57:21.683Z",
        "datePublished": "2024-07-17T15:25:58.472Z",
        "dateUpdated": "2025-04-10T14:18:03.534Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "Purity//FB"
                    ],
                    "product": "FlashBlade",
                    "vendor": "PureStorage",
                    "versions": [
                        {
                            "lessThanOrEqual": "3.3.10",
                            "status": "affected",
                            "version": "3.3.5",
                            "versionType": "custom"
                        },
                        {
                            "lessThanOrEqual": "4.0.6",
                            "status": "affected",
                            "version": "4.0.4",
                            "versionType": "custom"
                        },
                        {
                            "lessThanOrEqual": "4.1.8",
                            "status": "affected",
                            "version": "4.1.0",
                            "versionType": "custom"
                        },
                        {
                            "lessThanOrEqual": "4.2.2",
                            "status": "affected",
                            "version": "4.2.0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<span style=\"background-color: transparent;\">A flaw exists in FlashBlade whereby a local account is permitted to authenticate to the management interface using an unintended method that allows an attacker to gain privileged access to the array.</span><br>"
                        }
                    ],
                    "value": "A flaw exists in FlashBlade whereby a local account is permitted to authenticate to the management interface using an unintended method that allows an attacker to gain privileged access to the array."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-233",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-233 Privilege Escalation"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 9.3,
                        "baseSeverity": "CRITICAL",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "HIGH",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-269",
                            "description": "CWE-269 Improper Privilege Management",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "3895c224-4e1d-482a-adb3-fa64795683ac",
                "shortName": "PureStorage",
                "dateUpdated": "2025-04-10T14:18:03.534Z"
            },
            "references": [
                {
                    "url": "https://www.purestorage.com/security"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p><span style=\"background-color: rgb(255, 255, 255);\">This vulnerability can be fixed either by applying a patch or upgrading to an unaffected Purity version. </span></p><p><span style=\"background-color: rgb(255, 255, 255);\">This issue is resolved in the following FlashBlade Purity versions:</span><br></p><ul><li><p><span style=\"background-color: rgb(255, 255, 255);\">Purity//FB 3.3.11 or later </span></p></li></ul><ul><li><p><span style=\"background-color: rgb(255, 255, 255);\">Purity//FB 4.1.9 or later </span></p></li></ul><ul><li><p><span style=\"background-color: rgb(255, 255, 255);\">Purity//FB 4.2.3 or later </span></p></li></ul><ul><li><p><span style=\"background-color: rgb(255, 255, 255);\">Purity//FB 4.3.0 or later </span></p></li></ul><ul><li><p><span style=\"background-color: rgb(255, 255, 255);\">Purity//FB 4.4.0 or later </span></p><p></p></li></ul>"
                        }
                    ],
                    "value": "This vulnerability can be fixed either by applying a patch or upgrading to an unaffected Purity version. \n\nThis issue is resolved in the following FlashBlade Purity versions:\n\n\n  *  Purity//FB 3.3.11 or later \n\n\n\n\n  *  Purity//FB 4.1.9 or later \n\n\n\n\n  *  Purity//FB 4.2.3 or later \n\n\n\n\n  *  Purity//FB 4.3.0 or later \n\n\n\n\n  *  Purity//FB 4.4.0 or later"
                }
            ],
            "source": {
                "discovery": "INTERNAL"
            },
            "title": "FlashBlade Authentication Mechanism Vulnerability",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "affected": [
                    {
                        "vendor": "purestorage",
                        "product": "flashblade",
                        "cpes": [
                            "cpe:2.3:a:purestorage:flashblade:*:*:*:*:*:*:*:*"
                        ],
                        "defaultStatus": "unknown",
                        "versions": [
                            {
                                "version": "3.3.5",
                                "status": "affected",
                                "lessThanOrEqual": "3.3.10",
                                "versionType": "custom"
                            },
                            {
                                "version": "4.0.4",
                                "status": "affected",
                                "lessThanOrEqual": "4.0.6",
                                "versionType": "custom"
                            },
                            {
                                "version": "4.1.0",
                                "status": "affected",
                                "lessThanOrEqual": "4.1.8",
                                "versionType": "custom"
                            },
                            {
                                "version": "4.2.0",
                                "status": "affected",
                                "lessThanOrEqual": "4.2.2",
                                "versionType": "custom"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-07-17T17:54:56.371990Z",
                                "id": "CVE-2023-4976",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-07-17T18:03:09.461Z"
                }
            },
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T07:44:53.148Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://purestorage.com/security",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}