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    "cveMetadata": {
        "cveId": "CVE-2024-21594",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "state": "PUBLISHED",
        "assignerShortName": "juniper",
        "dateReserved": "2023-12-27T19:38:25.704Z",
        "datePublished": "2024-01-12T00:52:18.218Z",
        "dateUpdated": "2024-08-01T22:27:35.525Z"
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            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "SRX 5000 Series"
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                    "product": "Junos OS",
                    "vendor": "Juniper Networks",
                    "versions": [
                        {
                            "lessThan": "20.4R3-S6",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
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                        {
                            "lessThan": "21.1R3-S5",
                            "status": "affected",
                            "version": "21.1",
                            "versionType": "semver"
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                        {
                            "lessThan": "21.2R3-S4",
                            "status": "affected",
                            "version": "21.2",
                            "versionType": "semver"
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                        {
                            "lessThan": "21.3R3-S3",
                            "status": "affected",
                            "version": "21.3",
                            "versionType": "semver"
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                        {
                            "lessThan": "21.4R3-S3",
                            "status": "affected",
                            "version": "21.4",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.1R3-S1",
                            "status": "affected",
                            "version": "22.1",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.2R3",
                            "status": "affected",
                            "version": "22.2",
                            "versionType": "semver"
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                        {
                            "lessThan": "22.3R2",
                            "status": "affected",
                            "version": "22.3",
                            "versionType": "semver"
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            "datePublic": "2024-01-10T17:00:00.000Z",
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                            "value": "\n\n<p>A Heap-based Buffer Overflow vulnerability in the Network Services Daemon (NSD) of Juniper Networks Junos OS allows authenticated, low privileged, local attacker to cause a Denial of Service (DoS).</p><p>On an SRX 5000 Series device, when executing a specific command repeatedly, memory is corrupted, which leads to a Flow Processing Daemon (flowd) crash.</p><p>The NSD process has to be restarted to restore services.</p><p>If this issue occurs, it can be checked with the following command:</p><code>user@host&gt; request security policies check</code><br><p>The following log message can also be observed:</p><code>Error: policies are out of sync for PFE node&lt;number&gt;.fpc&lt;number&gt;.pic&lt;number&gt;.</code><br><p>This issue affects:</p><p>Juniper Networks Junos OS on SRX 5000 Series</p><p></p><ul><li>All versions earlier than 20.4R3-S6;</li><li>21.1 versions earlier than 21.1R3-S5;</li><li>21.2 versions earlier than 21.2R3-S4;</li><li>21.3 versions earlier than 21.3R3-S3;</li><li>21.4 versions earlier than 21.4R3-S3;</li><li>22.1 versions earlier than 22.1R3-S1;</li><li>22.2 versions earlier than 22.2R3;</li><li>22.3 versions earlier than 22.3R2.</li></ul><p></p>\n\n"
                        }
                    ],
                    "value": "\nA Heap-based Buffer Overflow vulnerability in the Network Services Daemon (NSD) of Juniper Networks Junos OS allows authenticated, low privileged, local attacker to cause a Denial of Service (DoS).\n\nOn an SRX 5000 Series device, when executing a specific command repeatedly, memory is corrupted, which leads to a Flow Processing Daemon (flowd) crash.\n\nThe NSD process has to be restarted to restore services.\n\nIf this issue occurs, it can be checked with the following command:\n\nuser@host> request security policies check\nThe following log message can also be observed:\n\nError: policies are out of sync for PFE node<number>.fpc<number>.pic<number>.\nThis issue affects:\n\nJuniper Networks Junos OS on SRX 5000 Series\n\n\n\n  *  All versions earlier than 20.4R3-S6;\n  *  21.1 versions earlier than 21.1R3-S5;\n  *  21.2 versions earlier than 21.2R3-S4;\n  *  21.3 versions earlier than 21.3R3-S3;\n  *  21.4 versions earlier than 21.4R3-S3;\n  *  22.1 versions earlier than 22.1R3-S1;\n  *  22.2 versions earlier than 22.2R3;\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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            "metrics": [
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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",
                        "version": "3.1"
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                            "cweId": "CWE-122",
                            "description": "CWE-122 Heap-based Buffer Overflow",
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                            "type": "CWE"
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                            "description": "Denial of Service (DoS)",
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                    "url": "https://supportportal.juniper.net/JSA75733"
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                            "value": "<p>The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S6, 21.1R3-S5, 21.2R3-S4, 21.3R3-S3, 21.3R3-S4, 21.4R3-S3, 22.1R3-S1, 22.2R3, 22.3R2, 22.4R1, 22.4R2, 23.1R1, 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-S6, 21.1R3-S5, 21.2R3-S4, 21.3R3-S3, 21.3R3-S4, 21.4R3-S3, 22.1R3-S1, 22.2R3, 22.3R2, 22.4R1, 22.4R2, 23.1R1, and all subsequent releases.\n\n"
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                    "lang": "en",
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                    "value": "Initial Publication"
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            "title": "Junos OS: SRX 5000 Series: Repeated execution of a specific CLI command causes a flowd crash",
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