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    "cveMetadata": {
        "cveId": "CVE-2024-21603",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "state": "PUBLISHED",
        "assignerShortName": "juniper",
        "dateReserved": "2023-12-27T19:38:25.707Z",
        "datePublished": "2024-01-12T00:54:22.697Z",
        "dateUpdated": "2024-08-01T22:27:35.683Z"
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            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "platforms": [
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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": "21.2R3-S6",
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                            "version": "21.2",
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                            "lessThan": "21.3R3-S5",
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                            "status": "affected",
                            "version": "22.1",
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                            "lessThan": "22.2R2",
                            "status": "affected",
                            "version": "22.2",
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                            "version": "22.3",
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                            "value": "<p>To be exposed to this issue a scaled SCU/DCU configuration with more than 10 classes needs to be present on the device:</p><code>  [ policy-options policy-statement &lt;policy name&gt; term &lt;term name&gt; then source-class/destination-class &lt;scu/dcu-class name1&gt; ]</code><br/><code>  ...</code><br/><code>  [ policy-options policy-statement &lt;policy name&gt; term &lt;term name&gt; then source-class/destination-class &lt;scu/dcu-class name11&gt; ]</code><br/><code>  [ interface &lt;interface&gt; unit &lt;unit#&gt; family &lt;family&gt; accounting source-class-usage/destination-class-usage input/output ]</code><br/>"
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                    "value": "To be exposed to this issue a scaled SCU/DCU configuration with more than 10 classes needs to be present on the device:\n\n  [ policy-options policy-statement <policy name> term <term name> then source-class/destination-class <scu/dcu-class name1> ]\n  ...\n  [ policy-options policy-statement <policy name> term <term name> then source-class/destination-class <scu/dcu-class name11> ]\n  [ interface <interface> unit <unit#> family <family> accounting source-class-usage/destination-class-usage input/output ]\n"
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            "datePublic": "2024-01-10T17:00:00.000Z",
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                            "value": "\n\n<p>An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Network Junos OS on MX Series allows a network based attacker with low privileges to cause a denial of service.</p><p>If a scaled configuration for Source class usage (SCU) / destination class usage (DCU) (more than 10 route classes) is present and the SCU/DCU statistics are gathered by executing specific SNMP requests or CLI commands, a 'vmcore' for the RE kernel will be seen which leads to a device restart. Continued exploitation of this issue will lead to a sustained DoS.</p><p>This issue only affects MX Series devices with MPC10, MPC11 or LC9600, and MX304. No other MX Series devices are affected.</p><p>This issue affects Juniper Networks Junos OS:</p><p></p><ul><li>All versions earlier than 20.4R3-S9;</li><li>21.2 versions earlier than 21.2R3-S6;</li><li>21.3 versions earlier than 21.3R3-S5;</li><li>21.4 versions earlier than 21.4R3;</li><li>22.1 versions earlier than 22.1R3;</li><li>22.2 versions earlier than 22.2R2;</li><li>22.3 versions earlier than 22.3R2.</li></ul><p></p>\n\n"
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                    "value": "\nAn Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Network Junos OS on MX Series allows a network based attacker with low privileges to cause a denial of service.\n\nIf a scaled configuration for Source class usage (SCU) / destination class usage (DCU) (more than 10 route classes) is present and the SCU/DCU statistics are gathered by executing specific SNMP requests or CLI commands, a 'vmcore' for the RE kernel will be seen which leads to a device restart. Continued exploitation of this issue will lead to a sustained DoS.\n\nThis issue only affects MX Series devices with MPC10, MPC11 or LC9600, and MX304. No other MX Series devices are affected.\n\nThis issue affects Juniper Networks Junos OS:\n\n\n\n  *  All versions earlier than 20.4R3-S9;\n  *  21.2 versions earlier than 21.2R3-S6;\n  *  21.3 versions earlier than 21.3R3-S5;\n  *  21.4 versions earlier than 21.4R3;\n  *  22.1 versions earlier than 22.1R3;\n  *  22.2 versions earlier than 22.2R2;\n  *  22.3 versions earlier than 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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                        "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-754",
                            "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
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                            "value": "<p>The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S9, 21.2R3-S6, 21.3R3-S5, 21.4R3, 22.1R3, 22.2R2, 22.3R2, 22.4R1, and all subsequent releases.</p>"
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            "title": "Junos OS: MX Series: Gathering statistics in a scaled SCU/DCU configuration will lead to a device crash",
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