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    "cveMetadata": {
        "cveId": "CVE-2024-39519",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "state": "PUBLISHED",
        "assignerShortName": "juniper",
        "dateReserved": "2024-06-25T15:12:53.239Z",
        "datePublished": "2024-07-11T15:55:37.087Z",
        "dateUpdated": "2024-08-02T04:26:15.781Z"
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                    "defaultStatus": "unaffected",
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                    "vendor": "Juniper Networks",
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                            "status": "affected",
                            "version": "22.1-EVO",
                            "versionType": "semver"
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                            "status": "unaffected",
                            "version": "0",
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                            "status": "affected",
                            "version": "22.2-EVO",
                            "versionType": "custom"
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                        {
                            "status": "affected",
                            "version": "22.3-EVO",
                            "versionType": "custom"
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                            "lessThan": "22.4R2-EVO",
                            "status": "affected",
                            "version": "22.4-EVO",
                            "versionType": "semver"
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                            "value": "<p>To be potentially exposed to this issue the device must be configured as follows:</p><tt>[ routing-instances evpna instance-type evpn ]<br>[ routing-instances evpna routing-interface irb.0 ]</tt>"
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            "datePublic": "2024-07-10T16:00:00.000Z",
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                            "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a \n\n<span style=\"background-color: rgb(255, 255, 255);\">Denial-of-Service (DoS).</span><p>\n\n<span style=\"background-color: rgb(255, 255, 255);\">On all ACX 7000 Series platforms running \n\n<span style=\"background-color: rgb(255, 255, 255);\">Junos OS Evolved, and configured with IRBs</span>, if a Customer Edge device (CE) device is dual homed to two Provider Edge devices (PE) a traffic loop will occur when the CE sends multicast packets. This issue can be triggered by IPv4 and IPv6 traffic.</span><span style=\"background-color: rgb(255, 255, 255);\"><br></span></p><p>This issue affects Junos OS Evolved:&nbsp;</p><p>All versions from 22.2R1-EVO and later versions before 22.4R2-EVO,</p><p><span style=\"background-color: var(--wht);\">This issue does not affect Junos OS Evolved versions before 22.1R1-EVO.</span><br></p>"
                        }
                    ],
                    "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a \n\nDenial-of-Service (DoS).\n\nOn all ACX 7000 Series platforms running \n\nJunos OS Evolved, and configured with IRBs, if a Customer Edge device (CE) device is dual homed to two Provider Edge devices (PE) a traffic loop will occur when the CE sends multicast packets. This issue can be triggered by IPv4 and IPv6 traffic.\n\n\nThis issue affects Junos OS Evolved: \n\nAll versions from 22.2R1-EVO and later versions before 22.4R2-EVO,\n\nThis issue does not affect Junos OS Evolved versions before 22.1R1-EVO."
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                            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.&nbsp;However, multiple occurrences of this issue have been reported in production."
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                        "baseScore": 6.5,
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                        "confidentialityImpact": "NONE",
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                            "cweId": "CWE-754",
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                    "url": "https://supportportal.juniper.net/JSA82983"
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                            "value": "The following software releases have been updated to resolve this specific issue: 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.<br>"
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                    "value": "The following software releases have been updated to resolve this specific issue: 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases."
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            "source": {
                "advisory": "JSA82983",
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                "discovery": "USER"
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            "title": "Junos OS Evolved: ACX 7000 Series: Multicast traffic is looped in a multihoming EVPN MPLS scenario",
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