{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-21602",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "state": "PUBLISHED",
        "assignerShortName": "juniper",
        "dateReserved": "2023-12-27T19:38:25.707Z",
        "datePublished": "2024-01-12T00:54:08.862Z",
        "dateUpdated": "2024-08-01T22:27:35.715Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "ACX7024",
                        "ACX7100-32C",
                        "ACX7100-48L"
                    ],
                    "product": "Junos OS Evolved",
                    "vendor": "Juniper Networks",
                    "versions": [
                        {
                            "lessThan": "21.4R3-S6-EVO",
                            "status": "affected",
                            "version": "21.4-EVO",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.1R3-S5-EVO",
                            "status": "affected",
                            "version": "22.1-EVO",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.2R2-S1-EVO, 22.2R3-EVO",
                            "status": "affected",
                            "version": "22.2-EVO",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.3R2-EVO",
                            "status": "affected",
                            "version": "22.3-EVO",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "datePublic": "2024-01-10T17:00:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "\n\n<p>A NULL Pointer Dereference vulnerability in Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).</p><p>If a specific IPv4 UDP packet is received and sent to the Routing Engine (RE) packetio crashes and restarts which causes a momentary traffic interruption. Continued receipt of such packets will lead to a sustained DoS.</p><p>This issue does not happen with IPv6 packets.</p><p>This issue affects Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L:</p><p></p><ul><li>21.4-EVO versions earlier than 21.4R3-S6-EVO;</li><li>22.1-EVO versions earlier than 22.1R3-S5-EVO;</li><li>22.2-EVO versions earlier than 22.2R2-S1-EVO, 22.2R3-EVO;</li><li>22.3-EVO versions earlier than 22.3R2-EVO.</li></ul><p></p><p>This issue does not affect Juniper Networks Junos OS Evolved versions earlier than 21.4R1-EVO.</p>\n\n"
                        }
                    ],
                    "value": "\nA NULL Pointer Dereference vulnerability in Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nIf a specific IPv4 UDP packet is received and sent to the Routing Engine (RE) packetio crashes and restarts which causes a momentary traffic interruption. Continued receipt of such packets will lead to a sustained DoS.\n\nThis issue does not happen with IPv6 packets.\n\nThis issue affects Juniper Networks Junos OS Evolved on ACX7024, ACX7100-32C and ACX7100-48L:\n\n\n\n  *  21.4-EVO versions earlier than 21.4R3-S6-EVO;\n  *  22.1-EVO versions earlier than 22.1R3-S5-EVO;\n  *  22.2-EVO versions earlier than 22.2R2-S1-EVO, 22.2R3-EVO;\n  *  22.3-EVO versions earlier than 22.3R2-EVO.\n\n\n\n\nThis issue does not affect Juniper Networks Junos OS Evolved versions earlier than 21.4R1-EVO.\n\n\n\n"
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>Juniper SIRT is not aware of any malicious exploitation of this vulnerability.</p>"
                        }
                    ],
                    "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n\n"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-476",
                            "description": "CWE-476 NULL Pointer Dereference",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "description": "Denial of Service (DoS)",
                            "lang": "en"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
                "shortName": "juniper",
                "dateUpdated": "2024-01-12T00:54:08.862Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://supportportal.juniper.net/JSA75743"
                },
                {
                    "tags": [
                        "technical-description"
                    ],
                    "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>The following software releases have been updated to resolve this specific issue: 21.4R3-S6-EVO, 22.1R3-S5-EVO, 22.2R2-S1-EVO, 22.2R3-EVO, 22.3R2-EVO, 22.4R1-EVO, and all subsequent releases.</p>"
                        }
                    ],
                    "value": "The following software releases have been updated to resolve this specific issue: 21.4R3-S6-EVO, 22.1R3-S5-EVO, 22.2R2-S1-EVO, 22.2R3-EVO, 22.3R2-EVO, 22.4R1-EVO, and all subsequent releases.\n\n"
                }
            ],
            "source": {
                "advisory": "JSA75743",
                "defect": [
                    "1690815"
                ],
                "discovery": "USER"
            },
            "timeline": [
                {
                    "lang": "en",
                    "time": "2024-01-10T17:00:00.000Z",
                    "value": "Initial Publication"
                }
            ],
            "title": "Junos OS Evolved: ACX7024, ACX7100-32C and ACX7100-48L: Traffic stops when a specific IPv4 UDP packet is received by the RE",
            "workarounds": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>There are no known workarounds for this issue.</p>"
                        }
                    ],
                    "value": "There are no known workarounds for this issue.\n\n"
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.1.0-av217"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-01T22:27:35.715Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://supportportal.juniper.net/JSA75743"
                    },
                    {
                        "tags": [
                            "technical-description",
                            "x_transferred"
                        ],
                        "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L"
                    }
                ]
            }
        ]
    }
}