{
    "CVE_data_meta": {
        "ASSIGNER": "sirt@juniper.net",
        "DATE_PUBLIC": "2020-04-08T16:00:00.000Z",
        "ID": "CVE-2020-1618",
        "STATE": "PUBLIC",
        "TITLE": "Junos OS: EX and QFX Series: Console port authentication bypass vulnerability"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "14.1X53",
                                            "version_value": "14.1X53-D53"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "15.1",
                                            "version_value": "15.1R7-S4"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "15.1X53",
                                            "version_value": "15.1X53-D593"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "16.1",
                                            "version_value": "16.1R7-S4"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "17.1",
                                            "version_value": "17.1R2-S11, 17.1R3-S1"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "17.2",
                                            "version_value": "17.2R3-S3"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "17.3",
                                            "version_value": "17.3R2-S5, 17.3R3-S6"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "17.4",
                                            "version_value": "17.4R2-S9, 17.4R3"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "18.1",
                                            "version_value": "18.1R3-S8"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "18.2",
                                            "version_value": "18.2R2"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "<",
                                            "version_name": "18.3",
                                            "version_value": "18.3R1-S7, 18.3R2"
                                        },
                                        {
                                            "platform": "EX and QFX Series",
                                            "version_affected": "!",
                                            "version_value": "12.3"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Juniper Networks"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "On Juniper Networks EX and QFX Series, an authentication bypass vulnerability may allow a user connected to the console port to login as root without any password. This issue might only occur in certain scenarios: \u2022 At the first reboot after performing device factory reset using the command \u201crequest system zeroize\u201d; or \u2022 A temporary moment during the first reboot after the software upgrade when the device configured in Virtual Chassis mode. This issue affects Juniper Networks Junos OS on EX and QFX Series: 14.1X53 versions prior to 14.1X53-D53; 15.1 versions prior to 15.1R7-S4; 15.1X53 versions prior to 15.1X53-D593; 16.1 versions prior to 16.1R7-S4; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R3-S3; 17.3 versions prior to 17.3R2-S5, 17.3R3-S6; 17.4 versions prior to 17.4R2-S9, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R2; 18.3 versions prior to 18.3R1-S7, 18.3R2. This issue does not affect Juniper Networks Junos OS 12.3."
            }
        ]
    },
    "exploit": [
        {
            "lang": "eng",
            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
        }
    ],
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-288 Authentication Bypass Using an Alternate Path or Channel"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://kb.juniper.net/JSA11001",
                "refsource": "CONFIRM",
                "url": "https://kb.juniper.net/JSA11001"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "The following software releases have been updated to resolve this specific issue: 14.1X53-D53, 15.1X53-D593, 15.1R7-S4, 16.1R7-S4, 17.1R2-S11, 17.1R3-S1, 17.2R3-S3, 17.3R2-S5, 17.3R3-S6, 17.4R2-S9, 17.4R3, 18.1R3-S8, 18.2R2, 18.3R1-S7, 18.3R2, 18.4R1, and all subsequent releases.\n"
        }
    ],
    "source": {
        "advisory": "JSA11001",
        "defect": [
            "1378429",
            "1368940"
        ],
        "discovery": "INTERNAL"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "Limit physical access to the console port only to trusted administrators."
        }
    ]
}