{
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    "cveMetadata": {
        "cveId": "CVE-2023-44184",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "state": "PUBLISHED",
        "assignerShortName": "juniper",
        "dateReserved": "2023-09-26T19:30:17.664Z",
        "datePublished": "2023-10-12T23:02:34.571Z",
        "dateUpdated": "2024-09-17T16:11:00.874Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "Junos OS",
                    "vendor": "Juniper Networks",
                    "versions": [
                        {
                            "lessThan": "20.4R3-S7",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "21.1R1",
                            "status": "affected",
                            "version": "21.1",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "21.2R3-S5",
                            "status": "affected",
                            "version": "21.2",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "21.3R3-S5",
                            "status": "affected",
                            "version": "21.3",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "21.4R3-S4",
                            "status": "affected",
                            "version": "21.4",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.1R3-S2",
                            "status": "affected",
                            "version": "22.1",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.2R3",
                            "status": "affected",
                            "version": "22.2",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.3R2-S1, 22.3R3",
                            "status": "affected",
                            "version": "22.3",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.4R1-S2, 22.4R2",
                            "status": "affected",
                            "version": "22.4",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "product": "Junos OS Evolved",
                    "vendor": "Juniper Networks",
                    "versions": [
                        {
                            "lessThan": "21.4R3-S4-EVO",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.1R3-S2-EVO",
                            "status": "affected",
                            "version": "22.1",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.2R3-EVO",
                            "status": "affected",
                            "version": "22.2",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.3R3-EVO",
                            "status": "affected",
                            "version": "22.3",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.4R2-EVO",
                            "status": "affected",
                            "version": "22.4",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "supportingMedia": [
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                            "type": "text/html",
                            "value": "<p>The following minimal configuration must be present: </p><p> [system services netconf]</p>"
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                    ],
                    "value": "The following minimal configuration must be present: \n\n [system services netconf]\n\n"
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            ],
            "datePublic": "2023-10-11T16:00:00.000Z",
            "descriptions": [
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                    "lang": "en",
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                            "value": "\n\n<p>An Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the management daemon (mgd) process of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated low-privileged attacker, by executing a specific command via NETCONF, to cause a CPU Denial of Service to the device's control plane.</p><p>This issue affects:</p><p>Juniper Networks Junos OS</p><p></p><ul><li>All versions prior to 20.4R3-S7;</li><li>21.2 versions prior to 21.2R3-S5;</li><li>21.3 versions prior to 21.3R3-S5;</li><li>21.4 versions prior to 21.4R3-S4;</li><li>22.1 versions prior to 22.1R3-S2;</li><li>22.2 versions prior to 22.2R3;</li><li>22.3 versions prior to 22.3R2-S1, 22.3R3;</li><li>22.4 versions prior to 22.4R1-S2, 22.4R2.</li></ul><p></p><p>Juniper Networks Junos OS Evolved</p><p></p><ul><li>All versions prior to 21.4R3-S4-EVO;</li><li>22.1 versions prior to 22.1R3-S2-EVO;</li><li>22.2 versions prior to 22.2R3-EVO;</li><li>22.3 versions prior to 22.3R3-EVO;</li><li>22.4 versions prior to 22.4R2-EVO.</li></ul><p></p><p>An indicator of compromise can be seen by first determining if the NETCONF client is logged in and fails to log out after a reasonable period of time and secondly reviewing the WCPU percentage for the mgd process by running the following command:</p><p>mgd process example:</p><code>user@device-re#&gt; show system processes extensive | match \"mgd|PID\" | except last</code><br><code>PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND</code><br><code>92476 root 100 0 500M 89024K CPU3 3 57.5H 89.60% mgd &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt; review the high cpu percentage.</code><br><p>Example to check for NETCONF activity:</p><p>While there is no specific command that shows a specific session in use for NETCONF, you can review logs for UI_LOG_EVENT with \"client-mode 'netconf'\"</p><p>For example:</p><code>mgd[38121]: UI_LOGIN_EVENT: User 'root' login, class 'super-user' [38121], ssh-connection '10.1.1.1 201 55480 10.1.1.2 22', client-mode 'netconf'</code>\n\n"
                        }
                    ],
                    "value": "\nAn Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the management daemon (mgd) process of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated low-privileged attacker, by executing a specific command via NETCONF, to cause a CPU Denial of Service to the device's control plane.\n\nThis issue affects:\n\nJuniper Networks Junos OS\n\n\n\n  *  All versions prior to 20.4R3-S7;\n  *  21.2 versions prior to 21.2R3-S5;\n  *  21.3 versions prior to 21.3R3-S5;\n  *  21.4 versions prior to 21.4R3-S4;\n  *  22.1 versions prior to 22.1R3-S2;\n  *  22.2 versions prior to 22.2R3;\n  *  22.3 versions prior to 22.3R2-S1, 22.3R3;\n  *  22.4 versions prior to 22.4R1-S2, 22.4R2.\n\n\n\n\nJuniper Networks Junos OS Evolved\n\n\n\n  *  All versions prior to 21.4R3-S4-EVO;\n  *  22.1 versions prior to 22.1R3-S2-EVO;\n  *  22.2 versions prior to 22.2R3-EVO;\n  *  22.3 versions prior to 22.3R3-EVO;\n  *  22.4 versions prior to 22.4R2-EVO.\n\n\n\n\nAn indicator of compromise can be seen by first determining if the NETCONF client is logged in and fails to log out after a reasonable period of time and secondly reviewing the WCPU percentage for the mgd process by running the following command:\n\nmgd process example:\n\nuser@device-re#> show system processes extensive | match \"mgd|PID\" | except last\nPID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND\n92476 root 100 0 500M 89024K CPU3 3 57.5H 89.60% mgd <<<<<<<<<<< review the high cpu percentage.\nExample to check for NETCONF activity:\n\nWhile there is no specific command that shows a specific session in use for NETCONF, you can review logs for UI_LOG_EVENT with \"client-mode 'netconf'\"\n\nFor example:\n\nmgd[38121]: UI_LOGIN_EVENT: User 'root' login, class 'super-user' [38121], ssh-connection '10.1.1.1 201 55480 10.1.1.2 22', client-mode 'netconf'\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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            "metrics": [
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                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 6.5,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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                            "cweId": "CWE-119",
                            "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer",
                            "lang": "en",
                            "type": "CWE"
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            "providerMetadata": {
                "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
                "shortName": "juniper",
                "dateUpdated": "2023-10-13T18:18:27.354Z"
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                    "url": "https://supportportal.juniper.net/JSA73147"
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            "solutions": [
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                            "value": "<p>The following software releases have been updated to resolve this specific issue: </p><p>Junos OS: 20.4R3-S7, 21.2R3-S5, 21.3R3-S5, 21.4R3-S4, 22.1R3-S2, 22.2R3, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 23.2R1, and all subsequent releases.</p><p>Junos OS Evolved 21.4R3-S4-EVO, 22.1R3-S2-EVO, 22.2R3-EVO, 22.3R3-EVO, 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.</p>"
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                    "value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 20.4R3-S7, 21.2R3-S5, 21.3R3-S5, 21.4R3-S4, 22.1R3-S2, 22.2R3, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 23.2R1, and all subsequent releases.\n\nJunos OS Evolved 21.4R3-S4-EVO, 22.1R3-S2-EVO, 22.2R3-EVO, 22.3R3-EVO, 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.\n\n"
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                "advisory": "JSA73147",
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                    "value": "Initial Publication"
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            "title": "Junos OS and Junos OS Evolved: High CPU load due to specific NETCONF command",
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                            "value": "<p>There are no known workarounds for this issue.</p><p>The impact of this issue may be temporarily cleared by periodically restarting the management daemon.</p>"
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                    "value": "There are no known workarounds for this issue.\n\nThe impact of this issue may be temporarily cleared by periodically restarting the management daemon.\n\n"
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                            "value": "<p>To reduce the risk of exploitation enable access control lists (ACLs) and other filtering mechanisms to limit access to the device only from trusted hosts and networks to the NETCONF service.</p>"
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                    ],
                    "value": "To reduce the risk of exploitation enable access control lists (ACLs) and other filtering mechanisms to limit access to the device only from trusted hosts and networks to the NETCONF service.\n\n"
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                        "url": "https://supportportal.juniper.net/JSA73147"
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                                "timestamp": "2024-09-17T15:54:08.524515Z",
                                "id": "CVE-2023-44184",
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