{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-39545",
        "ASSIGNER": "sirt@juniper.net",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the the IKE daemon (iked) of Juniper Networks Junos OS on SRX Series, MX Series with SPC3 and NFX350 allows allows an unauthenticated, network-based attacker sending specific mismatching parameters as part of the IPsec negotiation to trigger an iked crash leading to Denial of Service (DoS).\n\nThis issue is applicable to all platforms that run iked.\u00a0This issue affects Junos OS on SRX Series, MX Series with SPC3 and NFX350:\u00a0\n\n\n\n  *  All versions before 21.2R3-S8,\u00a0\n  *  from 21.4 before 21.4R3-S7,\u00a0\n  *  from 22.1 before 22.1R3-S2,\u00a0\n  *  from 22.2 before 22.2R3-S1,\u00a0\n  *  from 22.3 before 22.3R2-S1, 22.3R3,\u00a0\n  *  from 22.4 before 22.4R1-S2, 22.4R2, 22.4R3."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
                        "cweId": "CWE-754"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Juniper Networks",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "0",
                                            "version_value": "21.2R3-S8"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "21.4",
                                            "version_value": "21.4R3-S7"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.1",
                                            "version_value": "22.1R3-S2"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.2",
                                            "version_value": "22.2R3-S1"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.3",
                                            "version_value": "22.3R2-S1, 22.3R3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.4",
                                            "version_value": "22.4R1-S2, 22.4R2, 22.4R3"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://supportportal.juniper.net/JSA83007",
                "refsource": "MISC",
                "name": "https://supportportal.juniper.net/JSA83007"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "advisory": "JSA83007",
        "defect": [
            "1716092"
        ],
        "discovery": "USER"
    },
    "configuration": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "<p>To be exposed to this issue IPsec VPN needs to be configured with a minimal ike configuration:</p><p>&nbsp; [ security ike gateway ike-policy ]</p><p>&nbsp; [ security ipsec vpn ike gateway ]</p><p>Also, the system needs to run iked (vs. kmd which is not affected), which can be verified with:</p><p>&nbsp; show system processes extensive | match \"KMD|IKED\"</p><br>"
                }
            ],
            "value": "To be exposed to this issue IPsec VPN needs to be configured with a minimal ike configuration:\n\n\u00a0 [ security ike gateway ike-policy ]\n\n\u00a0 [ security ipsec vpn ike gateway ]\n\nAlso, the system needs to run iked (vs. kmd which is not affected), which can be verified with:\n\n\u00a0 show system processes extensive | match \"KMD|IKED\""
        }
    ],
    "work_around": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "There are no known workarounds for this issue."
                }
            ],
            "value": "There are no known workarounds for this issue."
        }
    ],
    "exploit": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
                }
            ],
            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
        }
    ],
    "solution": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "The following software releases have been updated to resolve this specific issue: <br><br>Junos OS: 21.2R3-S8, 21.4R3-S7, 22.1R3-J1, 22.1R3-S2, 22.2R3-S1, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 22.4R3, 23.2R1, and all subsequent releases."
                }
            ],
            "value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 21.2R3-S8, 21.4R3-S7, 22.1R3-J1, 22.1R3-S2, 22.2R3-S1, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 22.4R3, 23.2R1, and all subsequent releases."
        }
    ],
    "impact": {
        "cvss": [
            {
                "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"
            }
        ]
    }
}