{
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            "url": "https://supportportal.juniper.net/JSA75740"
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            "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L"
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        ],
        "title": "CVE Program Container"
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    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "platforms": [
            "MX Series"
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          "product": "Junos OS",
          "vendor": "Juniper Networks",
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
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              "lessThan": "21.1R3-S4",
              "status": "affected",
              "version": "21.1",
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              "value": "\u003cp\u003eTo be affected by this issue an interface on the MPC needs to be configured with PTP as follows:\u003c/p\u003e\u003ccode\u003e  [ protocols ptp master/slave interface \u0026lt;interface-name\u0026gt; ]\u003c/code\u003e\u003cbr/\u003e"
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      "datePublic": "2024-01-10T17:00:00.000Z",
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              "value": "\n\n\u003cp\u003eA Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).\u003c/p\u003e\u003cp\u003eIf an MX Series device receives PTP packets on an MPC3E that doesn\u0027t support PTP this causes a memory leak which will result in unpredictable behavior and ultimately in an MPC crash and restart.\u003c/p\u003e\u003cp\u003eTo monitor for this issue, please use the following FPC vty level commands:\u003c/p\u003e\u003ccode\u003eshow heap\u003c/code\u003e\u003cbr\u003e\u003cp\u003eshows an increase in \"LAN buffer\" utilization and\u003c/p\u003e\u003ccode\u003eshow clksync ptp nbr-upd-info\u003c/code\u003e\u003cbr\u003e\u003cp\u003eshows non-zero \"Pending PFEs\" counter.\u003c/p\u003e\u003cp\u003eThis issue affects Juniper Networks Junos OS on MX Series with MPC3E:\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cul\u003e\u003cli\u003eAll versions earlier than 20.4R3-S3;\u003c/li\u003e\u003cli\u003e21.1 versions earlier than 21.1R3-S4;\u003c/li\u003e\u003cli\u003e21.2 versions earlier than 21.2R3;\u003c/li\u003e\u003cli\u003e21.3 versions earlier than 21.3R2-S1, 21.3R3;\u003c/li\u003e\u003cli\u003e21.4 versions earlier than 21.4R2;\u003c/li\u003e\u003cli\u003e22.1 versions earlier than 22.1R2.\u003c/li\u003e\u003c/ul\u003e\u003cp\u003e\u003c/p\u003e\n\n"
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          "value": "\nA Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).\n\nIf an MX Series device receives PTP packets on an MPC3E that doesn\u0027t support PTP this causes a memory leak which will result in unpredictable behavior and ultimately in an MPC crash and restart.\n\nTo monitor for this issue, please use the following FPC vty level commands:\n\nshow heap\nshows an increase in \"LAN buffer\" utilization and\n\nshow clksync ptp nbr-upd-info\nshows non-zero \"Pending PFEs\" counter.\n\nThis issue affects Juniper Networks Junos OS on MX Series with MPC3E:\n\n\n\n  *  All versions earlier than 20.4R3-S3;\n  *  21.1 versions earlier than 21.1R3-S4;\n  *  21.2 versions earlier than 21.2R3;\n  *  21.3 versions earlier than 21.3R2-S1, 21.3R3;\n  *  21.4 versions earlier than 21.4R2;\n  *  22.1 versions earlier than 22.1R2.\n\n\n\n\n\n\n"
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              "value": "\u003cp\u003eJuniper SIRT is not aware of any malicious exploitation of this vulnerability.\u003c/p\u003e"
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            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
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            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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          "descriptions": [
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              "description": "CWE-401 Missing Release of Memory after Effective Lifetime",
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        "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
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              "value": "\u003cp\u003eThe following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S3, 21.1R3-S4, 21.2R3, 21.3R2-S1, 21.3R3, 21.4R2, 22.1R2, 22.2R1, and all subsequent releases.\u003c/p\u003e"
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      "source": {
        "advisory": "JSA75740",
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          "lang": "en",
          "time": "2024-01-10T17:00:00.000Z",
          "value": "Initial Publication"
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      "title": "Junos OS: MX Series: MPC3E memory leak with PTP configuration",
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              "value": "\u003cp\u003eAlthough not a workaround the leaked memory can be recovered by: deactivate protocol ptp; commit; activate protocol ptp; commit. \u003c/p\u003e"
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          "value": "Although not a workaround the leaked memory can be recovered by: deactivate protocol ptp; commit; activate protocol ptp; commit. \n\n"
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    "assignerShortName": "juniper",
    "cveId": "CVE-2024-21599",
    "datePublished": "2024-01-12T00:53:23.497Z",
    "dateReserved": "2023-12-27T19:38:25.706Z",
    "dateUpdated": "2024-08-01T22:27:35.799Z",
    "state": "PUBLISHED"
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