cvelist/2021/0xxx/CVE-2021-0226.json

{
    "CVE_data_meta": {
        "ASSIGNER": "sirt@juniper.net",
        "DATE_PUBLIC": "2021-04-14T16:00:00.000Z",
        "ID": "CVE-2021-0226",
        "STATE": "PUBLIC",
        "TITLE": "Junos OS Evolved: The IPv6 BGP session will flap due to receipt of a specific IPv6 packet"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS Evolved",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "19.4-EVO",
                                            "version_value": "19.4R2-S3-EVO"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "20.1-EVO",
                                            "version_value": "20.1R2-S3-EVO"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "20.2-EVO",
                                            "version_value": "20.2R2-S1-EVO"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "20.3-EVO",
                                            "version_value": "20.3R2-EVO"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Juniper Networks"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "On Juniper Networks Junos OS Evolved devices, receipt of a specific IPv6 packet may cause an established IPv6 BGP session to terminate, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue does not affect IPv4 BGP sessions. This issue affects IBGP or EBGP peer sessions with IPv6. This issue affects: Juniper Networks Junos OS Evolved: 19.4 versions prior to 19.4R2-S3-EVO; 20.1 versions prior to 20.1R2-S3-EVO; 20.2 versions prior to 20.2R2-S1-EVO; 20.3 versions prior to 20.3R2-EVO. This issue does not affect Juniper Networks Junos OS releases."
            }
        ]
    },
    "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": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Denial of Service (DoS)"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-665: Improper Initialization"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://kb.juniper.net/JSA11121",
                "name": "https://kb.juniper.net/JSA11121"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 19.4R2-S3-EVO, 20.1R2-S3-EVO, 20.2R2-S1-EVO, 20.3R2-EVO, 20.4R1-EVO, and all subsequent releases.\n"
        }
    ],
    "source": {
        "advisory": "JSA11121",
        "defect": [
            "1544978"
        ],
        "discovery": "USER"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "There are no viable workarounds for this issue."
        }
    ]
}