{
    "CVE_data_meta": {
        "ASSIGNER": "sirt@juniper.net",
        "DATE_PUBLIC": "2021-04-14T16:00:00.000Z",
        "ID": "CVE-2021-0262",
        "STATE": "PUBLIC",
        "TITLE": "Junos OS: QFX10002-60C: Use after free vulnerability found during static code analysis"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "QFX10002-60C",
                                            "version_affected": "!<",
                                            "version_value": "19.1R3"
                                        },
                                        {
                                            "platform": "QFX10002-60C",
                                            "version_affected": ">=",
                                            "version_name": "19.1",
                                            "version_value": "19.1R3-S1"
                                        },
                                        {
                                            "platform": "QFX10002-60C",
                                            "version_affected": "<",
                                            "version_name": "19.1",
                                            "version_value": "19.1R3-S3"
                                        },
                                        {
                                            "platform": "QFX10002-60C",
                                            "version_affected": "!<",
                                            "version_name": "19.2",
                                            "version_value": "19.2R2"
                                        },
                                        {
                                            "platform": "QFX10002-60C",
                                            "version_affected": ">=",
                                            "version_name": "19.2",
                                            "version_value": "19.2R2"
                                        },
                                        {
                                            "platform": "QFX10002-60C",
                                            "version_affected": "<",
                                            "version_name": "19.2",
                                            "version_value": "19.2R3-S1"
                                        },
                                        {
                                            "platform": "QFX10002-60C",
                                            "version_affected": "!",
                                            "version_value": "19.3"
                                        },
                                        {
                                            "platform": "QFX10002-60C",
                                            "version_affected": "<",
                                            "version_name": "20.2",
                                            "version_value": "20.2R1-S2"
                                        },
                                        {
                                            "platform": "QFX10002-60C",
                                            "version_affected": "!>=",
                                            "version_value": "20.2R2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Juniper Networks"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Through routine static code analysis of the Juniper Networks Junos OS software codebase, the Secure Development Life Cycle team identified a Use After Free vulnerability in PFE packet processing on the QFX10002-60C switching platform. Exploitation of this vulnerability may allow a logically adjacent attacker to trigger a Denial of Service (DoS). Continued exploitation of this vulnerability will sustain the Denial of Service (DoS) condition. This issue only affects QFX10002-60C devices. No other product or platform is vulnerable to this issue. This issue affects Juniper Networks Junos OS on QFX10002-60C: 19.1 version 19.1R3-S1 and later versions; 19.1 versions prior to 19.1R3-S3; 19.2 version 19.2R2 and later versions; 19.2 versions prior to 19.2R3-S1; 20.2 versions prior to 20.2R1-S2. This issue does not affect Juniper Networks Junos OS: versions prior to 19.1R3; 19.2 versions prior to 19.2R2; any version of 19.3; version 20.2R2 and later 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": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-416 Use After Free"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://kb.juniper.net/JSA11153",
                "name": "https://kb.juniper.net/JSA11153"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "The following software releases have been updated to resolve this specific issue: Junos OS 19.1R3-S3, 19.2R3-S1, 20.2R1-S2, and all subsequent releases.\n"
        }
    ],
    "source": {
        "advisory": "JSA11153",
        "defect": [
            "1519453"
        ],
        "discovery": "INTERNAL"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "There are no viable workarounds for this issue."
        }
    ]
}