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    "cveMetadata": {
        "cveId": "CVE-2024-21611",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "state": "PUBLISHED",
        "assignerShortName": "juniper",
        "dateReserved": "2023-12-27T19:38:25.709Z",
        "datePublished": "2024-01-12T00:55:22.381Z",
        "dateUpdated": "2024-08-01T22:27:35.691Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "Junos OS",
                    "vendor": "Juniper Networks",
                    "versions": [
                        {
                            "lessThan": "21.4R3",
                            "status": "affected",
                            "version": "21.4",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.1R3",
                            "status": "affected",
                            "version": "22.1",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.2R3",
                            "status": "affected",
                            "version": "22.2",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "product": "Junos OS Evolved",
                    "vendor": "Juniper Networks",
                    "versions": [
                        {
                            "lessThan": "21.4R3-EVO",
                            "status": "affected",
                            "version": "21.4-EVO",
                            "versionType": "semver"
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                        {
                            "lessThan": "22.1R3-EVO",
                            "status": "affected",
                            "version": "22.1-EVO",
                            "versionType": "semver"
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                        {
                            "lessThan": "22.2R3-EVO",
                            "status": "affected",
                            "version": "22.2-EVO",
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            ],
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                    "lang": "en",
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                            "value": "<p>This issue only happens when jflow is configured:</p><code>  [ services flow-monitoring (version-ipfix|version9) ] </code><br/>"
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                    "value": "This issue only happens when jflow is configured:\n\n  [ services flow-monitoring (version-ipfix|version9) ] \n"
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            "datePublic": "2024-01-10T17:00:00.000Z",
            "descriptions": [
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                    "lang": "en",
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                            "value": "\n\n<p>A Missing Release of Memory after Effective Lifetime vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).</p><p>In a Juniper Flow Monitoring (jflow) scenario route churn that causes BGP next hops to be updated will cause a slow memory leak and eventually a crash and restart of rpd.</p><p>Thread level memory utilization for the areas where the leak occurs can be checked using the below command:</p><code>user@host&gt; show task memory detail | match so_in</code><br><code>so_in6 28 32 344450 11022400 344760 11032320</code><br><code>so_in 8 16 1841629 29466064 1841734 29467744</code><br><p>This issue affects:</p><p>Junos OS</p><p></p><ul><li>21.4 versions earlier than 21.4R3;</li><li>22.1 versions earlier than 22.1R3;</li><li>22.2 versions earlier than 22.2R3.</li></ul><p></p><p>Junos OS Evolved</p><p></p><ul><li>21.4-EVO versions earlier than 21.4R3-EVO;</li><li>22.1-EVO versions earlier than 22.1R3-EVO;</li><li>22.2-EVO versions earlier than 22.2R3-EVO.</li></ul><p></p><p>This issue does not affect:</p><p>Juniper Networks Junos OS versions earlier than 21.4R1.</p><p>Juniper Networks Junos OS Evolved versions earlier than 21.4R1.</p>\n\n"
                        }
                    ],
                    "value": "\nA Missing Release of Memory after Effective Lifetime vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nIn a Juniper Flow Monitoring (jflow) scenario route churn that causes BGP next hops to be updated will cause a slow memory leak and eventually a crash and restart of rpd.\n\nThread level memory utilization for the areas where the leak occurs can be checked using the below command:\n\nuser@host> show task memory detail | match so_in\nso_in6 28 32 344450 11022400 344760 11032320\nso_in 8 16 1841629 29466064 1841734 29467744\nThis issue affects:\n\nJunos OS\n\n\n\n  *  21.4 versions earlier than 21.4R3;\n  *  22.1 versions earlier than 22.1R3;\n  *  22.2 versions earlier than 22.2R3.\n\n\n\n\nJunos OS Evolved\n\n\n\n  *  21.4-EVO versions earlier than 21.4R3-EVO;\n  *  22.1-EVO versions earlier than 22.1R3-EVO;\n  *  22.2-EVO versions earlier than 22.2R3-EVO.\n\n\n\n\nThis issue does not affect:\n\nJuniper Networks Junos OS versions earlier than 21.4R1.\n\nJuniper Networks Junos OS Evolved versions earlier than 21.4R1.\n\n\n\n"
                }
            ],
            "exploits": [
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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"
                }
            ],
            "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"
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                    "descriptions": [
                        {
                            "cweId": "CWE-401",
                            "description": "CWE-401 Missing Release of Memory after Effective Lifetime",
                            "lang": "en",
                            "type": "CWE"
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                    "descriptions": [
                        {
                            "description": "Denial of Service (DoS)",
                            "lang": "en"
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            ],
            "providerMetadata": {
                "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
                "shortName": "juniper",
                "dateUpdated": "2024-01-12T00:55:22.381Z"
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            "references": [
                {
                    "tags": [
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                    "url": "https://supportportal.juniper.net/JSA75752"
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                            "value": "<p>The following software releases have been updated to resolve this specific issue:</p><p>Junos OS: 21.4R3, 22.1R3, 22.2R3, 22.3R1, and all subsequent releases.</p><p>Junos OS Evolved: 21.4R3-EVO, 22.1R3-EVO, 22.2R3-EVO, 22.3R1-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: 21.4R3, 22.1R3, 22.2R3, 22.3R1, and all subsequent releases.\n\nJunos OS Evolved: 21.4R3-EVO, 22.1R3-EVO, 22.2R3-EVO, 22.3R1-EVO, and all subsequent releases.\n\n"
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            "source": {
                "advisory": "JSA75752",
                "defect": [
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                "discovery": "USER"
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                    "lang": "en",
                    "time": "2024-01-10T17:00:00.000Z",
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            "title": "Junos OS and Junos OS Evolved: In a jflow scenario continuous route churn will cause a memory leak and eventually an rpd crash",
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                            "value": "<p>Although not a workaround, it is advised to monitor the memory utilization proactively and when it reaches 85% of total RE memory, restart rpd or reboot the system.</p>"
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                    "value": "Although not a workaround, it is advised to monitor the memory utilization proactively and when it reaches 85% of total RE memory, restart rpd or reboot the system.\n\n"
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                        "url": "https://supportportal.juniper.net/JSA75752"
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