{
    "CVE_data_meta": {
        "ASSIGNER": "sirt@juniper.net",
        "DATE_PUBLIC": "2020-04-08T07:00:00.000Z",
        "ID": "CVE-2020-1637",
        "STATE": "PUBLIC",
        "TITLE": "Junos OS: SRX Series: Unified Access Control (UAC) bypass vulnerability"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "12.3X48",
                                            "version_value": "12.3X48-D100"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "15.1X49",
                                            "version_value": "15.1X49-D210"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "17.3",
                                            "version_value": "17.3R2-S5, 17.3R3-S8"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "17.4",
                                            "version_value": "17.4R2-S9, 17.4R3-S1"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "18.1",
                                            "version_value": "18.1R3-S10"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "18.2",
                                            "version_value": "18.2R2-S7, 18.2R3-S3"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "18.3",
                                            "version_value": "18.3R1-S7, 18.3R3-S2"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "18.4",
                                            "version_value": "18.4R1-S6, 18.4R2-S4, 18.4R3-S1"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "19.1",
                                            "version_value": "19.1R1-S4, 19.1R2-S1, 19.1R3"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "19.2",
                                            "version_value": "19.2R1-S3, 19.2R2"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "19.3",
                                            "version_value": "19.3R2-S1, 19.3R3"
                                        },
                                        {
                                            "platform": "SRX Series",
                                            "version_affected": "<",
                                            "version_name": "19.4",
                                            "version_value": "19.4R1-S1, 19.4R2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Juniper Networks"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability in Juniper Networks SRX Series device configured as a Junos OS Enforcer device may allow a user to access network resources that are not permitted by a UAC policy. This issue might occur when the IP address range configured in the Infranet Controller (IC) is configured as an IP address range instead of an IP address/netmask. See the Workaround section for more detail. The Junos OS Enforcer CLI settings are disabled by default. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D100; 15.1X49 versions prior to 15.1X49-D210; 17.3 versions prior to 17.3R2-S5, 17.3R3-S8; 17.4 versions prior to 17.4R2-S9, 17.4R3-S1; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R3-S2; 18.4 versions prior to 18.4R1-S6, 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R1-S4, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S3, 19.2R2; 19.3 versions prior to 19.3R2-S1, 19.3R3; 19.4 versions prior to 19.4R1-S1, 19.4R2."
            }
        ]
    },
    "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": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
            "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/JSA11018",
                "refsource": "CONFIRM",
                "url": "https://kb.juniper.net/JSA11018"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "The following software releases have been updated to resolve this specific issue: 12.3X48-D100, 15.1X49-D210, 16.1R7-S7, 17.3R2-S5, 17.3R3-S8, 17.4R2-S9, 17.4R3-S1, 18.1R3-S10, 18.2R3-S3, 18.3R1-S7, 18.3R3-S2, 18.4R1-S6, 18.4R2-S4, 18.4R3-S1, 19.1R1-S4, 19.1R2-S1, 19.1R3, 19.2R1-S3, 19.2R2, 19.3R2-S1, 19.3R3, 19.4R1-S1, 19.4R2, 20.1R1, and all subsequent releases.\n"
        }
    ],
    "source": {
        "advisory": "JSA11018",
        "defect": [
            "1475435"
        ],
        "discovery": "USER"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "To avoid this issue, the IP address configuration in the IC Server should be configured as IP address/netmask, rather than an IP address range.  \n\nFor example: configure 10.0.0.0/25 instead of 10.0.0.1-127.\n"
        }
    ]
}