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    "dataType": "CVE_RECORD",
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    "cveMetadata": {
        "cveId": "CVE-2023-44193",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "state": "PUBLISHED",
        "assignerShortName": "juniper",
        "dateReserved": "2023-09-26T19:30:27.955Z",
        "datePublished": "2023-10-12T23:04:00.332Z",
        "dateUpdated": "2024-09-17T16:10:44.571Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "MX Series"
                    ],
                    "product": "Junos OS",
                    "vendor": "Juniper Networks",
                    "versions": [
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                            "lessThan": "20.4R3-S7",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
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                        {
                            "lessThan": "21.1R3-S5",
                            "status": "affected",
                            "version": "21.1",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "21.2R3-S4",
                            "status": "affected",
                            "version": "21.2",
                            "versionType": "semver"
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                        {
                            "lessThan": "21.3R3-S4",
                            "status": "affected",
                            "version": "21.3",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "21.4R3-S3",
                            "status": "affected",
                            "version": "21.4",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.1R3-S1",
                            "status": "affected",
                            "version": "22.1",
                            "versionType": "semver"
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                        {
                            "lessThan": "22.2R2-S1, 22.2R3",
                            "status": "affected",
                            "version": "22.2",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.3R1-S2, 22.3R2",
                            "status": "affected",
                            "version": "22.3",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
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                            "value": "\n\n<p>For this issue to occur, following minimal configuration is required.</p><code>[ ldp interface &lt;interface1&gt; ]</code><br><code>[ interfaces &lt;interface1&gt; flexible-vlan-tagging ]</code><br><code>[ interfaces &lt;interface1&gt; encapsulation vlan-vpls ]</code><br><code>[ protocols oam ethernet connectivity-fault-management maintenance-domain &lt;md-name&gt; interface &lt;interface2&gt; ]</code><br><code>[ routing-instances &lt;md-name&gt; instance-type vpls ]</code><br><code>[ routing-instances &lt;md-name&gt; interface &lt;interface1&gt; ]</code>\n\n"
                        }
                    ],
                    "value": "\nFor this issue to occur, following minimal configuration is required.\n\n[ ldp interface <interface1> ]\n[ interfaces <interface1> flexible-vlan-tagging ]\n[ interfaces <interface1> encapsulation vlan-vpls ]\n[ protocols oam ethernet connectivity-fault-management maintenance-domain <md-name> interface <interface2> ]\n[ routing-instances <md-name> instance-type vpls ]\n[ routing-instances <md-name> interface <interface1> ]\n\n"
                }
            ],
            "datePublic": "2023-10-11T16:00:00.000Z",
            "descriptions": [
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                    "lang": "en",
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                            "value": "\n\n<p>An Improper Release of Memory Before Removing Last Reference vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a local, low privileged attacker to cause an FPC crash, leading to Denial of Service (DoS).</p><p>On all Junos MX Series with MPC1 - MPC9, LC480, LC2101, MX10003, and MX80, when Connectivity-Fault-Management (CFM) is enabled in a VPLS scenario, and a specific LDP related command is run, an FPC will crash and reboot. Continued execution of this specific LDP command can lead to sustained Denial of Service condition.</p><p>This issue affects:</p><p>Juniper Networks Junos OS on MX Series:</p><p></p><ul><li>All versions prior to 20.4R3-S7;</li><li>21.1 versions prior to 21.1R3-S5;</li><li>21.2 versions prior to 21.2R3-S4;</li><li>21.3 versions prior to 21.3R3-S4;</li><li>21.4 versions prior to 21.4R3-S3;</li><li>22.1 versions prior to 22.1R3-S1;</li><li>22.2 versions prior to 22.2R2-S1, 22.2R3;</li><li>22.3 versions prior to 22.3R1-S2, 22.3R2.</li></ul><p></p>\n\n"
                        }
                    ],
                    "value": "\nAn Improper Release of Memory Before Removing Last Reference vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a local, low privileged attacker to cause an FPC crash, leading to Denial of Service (DoS).\n\nOn all Junos MX Series with MPC1 - MPC9, LC480, LC2101, MX10003, and MX80, when Connectivity-Fault-Management (CFM) is enabled in a VPLS scenario, and a specific LDP related command is run, an FPC will crash and reboot. Continued execution of this specific LDP command can lead to sustained Denial of Service condition.\n\nThis issue affects:\n\nJuniper Networks Junos OS on MX Series:\n\n\n\n  *  All versions prior to 20.4R3-S7;\n  *  21.1 versions prior to 21.1R3-S5;\n  *  21.2 versions prior to 21.2R3-S4;\n  *  21.3 versions prior to 21.3R3-S4;\n  *  21.4 versions prior to 21.4R3-S3;\n  *  22.1 versions prior to 22.1R3-S1;\n  *  22.2 versions prior to 22.2R2-S1, 22.2R3;\n  *  22.3 versions prior to 22.3R1-S2, 22.3R2.\n\n\n\n\n\n\n"
                }
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                            "value": "<p>Juniper SIRT is not aware of any malicious exploitation of this vulnerability.</p>"
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                    "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n\n"
                }
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                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "HIGH",
                        "baseScore": 5.5,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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                    "descriptions": [
                        {
                            "cweId": "CWE-401",
                            "description": "CWE-401 Improper Release of Memory Before Removing Last Reference",
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                    "url": "https://supportportal.juniper.net/JSA73157"
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                            "value": "<p>The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S7, 21.1R3-S5, 21.2R3-S4, 21.3R3-S4, 21.4R3-S3, 22.1R3-S1, 22.2R2-S1, 22.2R3, 22.3R1-S2, 22.3R2, 22.4R1, and all subsequent releases.</p>"
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                    "value": "The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S7, 21.1R3-S5, 21.2R3-S4, 21.3R3-S4, 21.4R3-S3, 22.1R3-S1, 22.2R2-S1, 22.2R3, 22.3R1-S2, 22.3R2, 22.4R1, and all subsequent releases.\n\n"
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            "source": {
                "advisory": "JSA73157",
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                "discovery": "USER"
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                    "lang": "en",
                    "time": "2023-10-11T16:00:00.000Z",
                    "value": "Initial Publication"
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            "title": "Junos OS: MX Series: An FPC crash is observed when CFM is enabled in a VPLS scenario and a specific LDP related command is run",
            "workarounds": [
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                            "value": "<p>This issue can be avoided by disabling CFM MIP functionality.</p> <tt>[ protocols oam ethernet connectivity-fault-management maintenance-domain mip-half-function none ]</tt>"
                        }
                    ],
                    "value": "This issue can be avoided by disabling CFM MIP functionality.\n\n [ protocols oam ethernet connectivity-fault-management maintenance-domain mip-half-function none ]"
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                                "timestamp": "2024-09-17T15:53:55.982862Z",
                                "id": "CVE-2023-44193",
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