{
    "containers": {
        "cna": {
            "affected": [
                {
                    "platforms": [
                        "EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series"
                    ],
                    "product": "Junos OS",
                    "vendor": "Juniper Networks",
                    "versions": [
                        {
                            "lessThan": "12.3R12-S17",
                            "status": "affected",
                            "version": "12.3",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "15.1R7-S8",
                            "status": "affected",
                            "version": "15.1",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "datePublic": "2021-04-14T00:00:00",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A Double Free vulnerability in the software forwarding interface daemon (sfid) process of Juniper Networks Junos OS allows an adjacently-connected attacker to cause a Denial of Service (DoS) by sending a crafted ARP packet to the device. Continued receipt and processing of the crafted ARP packets will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series. 12.3 versions prior to 12.3R12-S17; 15.1 versions prior to 15.1R7-S8. This issue only affects the listed Marvell-chipset based EX Series devices. No other products or platforms are affected."
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "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"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "Denial of Service (DoS)",
                            "lang": "en",
                            "type": "text"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-415",
                            "description": "CWE-415 Double Free",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2021-04-22T19:37:26",
                "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
                "shortName": "juniper"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://kb.juniper.net/JSA11162"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "The following software releases have been updated to resolve this specific issue: Junos OS: 12.3R12-S17, 15.1R7-S8, and all subsequent releases."
                }
            ],
            "source": {
                "advisory": "JSA11162",
                "defect": [
                    "1497768"
                ],
                "discovery": "USER"
            },
            "title": "Junos OS: EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series: Receipt of a crafted ARP packet by an adjacent attacker will cause the sfid process to core.",
            "workarounds": [
                {
                    "lang": "en",
                    "value": "There are no known workarounds for this issue."
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "sirt@juniper.net",
                    "DATE_PUBLIC": "2021-04-14T16:00:00.000Z",
                    "ID": "CVE-2021-0271",
                    "STATE": "PUBLIC",
                    "TITLE": "Junos OS: EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series: Receipt of a crafted ARP packet by an adjacent attacker will cause the sfid process to core."
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "Junos OS",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "platform": "EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series",
                                                        "version_affected": "<",
                                                        "version_name": "12.3",
                                                        "version_value": "12.3R12-S17"
                                                    },
                                                    {
                                                        "platform": "EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series",
                                                        "version_affected": "<",
                                                        "version_name": "15.1",
                                                        "version_value": "15.1R7-S8"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "Juniper Networks"
                            }
                        ]
                    }
                },
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "A Double Free vulnerability in the software forwarding interface daemon (sfid) process of Juniper Networks Junos OS allows an adjacently-connected attacker to cause a Denial of Service (DoS) by sending a crafted ARP packet to the device. Continued receipt and processing of the crafted ARP packets will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS on EX2200-C Series, EX3200 Series, EX3300 Series, EX4200 Series, EX4500 Series, EX4550 Series, EX6210 Series, EX8208 Series, EX8216 Series. 12.3 versions prior to 12.3R12-S17; 15.1 versions prior to 15.1R7-S8. This issue only affects the listed Marvell-chipset based EX Series devices. No other products or platforms are affected."
                        }
                    ]
                },
                "exploit": [
                    {
                        "lang": "en",
                        "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": "Denial of Service (DoS)"
                                }
                            ]
                        },
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "CWE-415 Double Free"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "https://kb.juniper.net/JSA11162",
                            "refsource": "MISC",
                            "url": "https://kb.juniper.net/JSA11162"
                        }
                    ]
                },
                "solution": [
                    {
                        "lang": "en",
                        "value": "The following software releases have been updated to resolve this specific issue: Junos OS: 12.3R12-S17, 15.1R7-S8, and all subsequent releases."
                    }
                ],
                "source": {
                    "advisory": "JSA11162",
                    "defect": [
                        "1497768"
                    ],
                    "discovery": "USER"
                },
                "work_around": [
                    {
                        "lang": "en",
                        "value": "There are no known workarounds for this issue."
                    }
                ]
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T15:32:10.507Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://kb.juniper.net/JSA11162"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "assignerShortName": "juniper",
        "cveId": "CVE-2021-0271",
        "datePublished": "2021-04-22T19:37:27.039777Z",
        "dateReserved": "2020-10-27T00:00:00",
        "dateUpdated": "2024-09-16T16:59:14.748Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}