{
    "CVE_data_meta": {
        "AKA": "Zoom Communications Inc",
        "ASSIGNER": "security@zoom.us",
        "DATE_PUBLIC": "2021-11-12T17:00:00.000Z",
        "ID": "CVE-2021-34418",
        "STATE": "PUBLIC",
        "TITLE": "Pre-auth Null pointer crash in on-premise web console"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Zoom On-Premise Meeting Connector",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "4.6.239.20200613"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Zoom On-Premise Meeting Connector MMR",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "4.6.239.20200613"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Zoom On-Premise Recording Connector",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "3.8.42.20200905"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Zoom On-Premise Virtual Room Connector",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "4.4.6344.20200612"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Zoom On-Premise Virtual Room Connector Load Balancer",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "2.5.5492.20200616"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Zoom Video Communications Inc"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Jeremy Brown"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Improper Input Validation"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://explore.zoom.us/en/trust/security/security-bulletin",
                "name": "https://explore.zoom.us/en/trust/security/security-bulletin"
            }
        ]
    },
    "source": {
        "discovery": "USER"
    }
}