{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2025-30649",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "state": "PUBLISHED",
        "assignerShortName": "juniper",
        "dateReserved": "2025-03-24T19:34:11.321Z",
        "datePublished": "2025-04-09T19:55:37.363Z",
        "dateUpdated": "2025-04-09T20:03:04.073Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "modules": [
                        "syslog stream with TCP transport enabled"
                    ],
                    "platforms": [
                        "MX240",
                        "MX480",
                        "MX960",
                        "with SPC3"
                    ],
                    "product": "Junos OS",
                    "vendor": "Juniper Networks",
                    "versions": [
                        {
                            "lessThan": "22.2R3-S6",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "22.4R3-S4",
                            "status": "affected",
                            "version": "22.4",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "23.2R2-S3",
                            "status": "affected",
                            "version": "23.2",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "23.4R2-S4",
                            "status": "affected",
                            "version": "23.4",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "24.2R1-S2, 24.2R2",
                            "status": "affected",
                            "version": "24.2",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "supportingMedia": [
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                            "type": "text/html",
                            "value": "<p>&nbsp; [services service-set \"service-set-name\" syslog stream \"stream-name\" host \"syslog-server-ip-address-or-hostname\"]<br>&nbsp; [services service-set \"service-set-name\" syslog stream \"stream-name\" host port \"syslog-server-port\"]<br><span style=\"background-color: var(--wht);\">&nbsp; [services service-set \"service-set-name\" syslog stream \"stream-name\" transport protocol tcp]<br></span><span style=\"background-color: var(--wht);\">&nbsp; [services service-set \"service-set-name\" syslog stream \"stream-name\" source-address \"syslog-collector-ip-address\"]</span><br></p>"
                        }
                    ],
                    "value": "[services service-set \"service-set-name\" syslog stream \"stream-name\" host \"syslog-server-ip-address-or-hostname\"]\n  [services service-set \"service-set-name\" syslog stream \"stream-name\" host port \"syslog-server-port\"]\n  [services service-set \"service-set-name\" syslog stream \"stream-name\" transport protocol tcp]\n  [services service-set \"service-set-name\" syslog stream \"stream-name\" source-address \"syslog-collector-ip-address\"]"
                }
            ],
            "datePublic": "2025-04-09T16:00:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
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                            "value": "An Improper Input Validation vulnerability in the&nbsp;syslog stream TCP transport&nbsp;of Juniper Networks Junos OS on MX240, MX480 and MX960 devices with MX-SPC3 Security Services Card allows an unauthenticated, network-based attacker, to send specific spoofed packets to cause a CPU Denial of Service (DoS) to the MX-SPC3 SPUs.<br><br>Continued receipt and processing of these specific packets will sustain the DoS condition.<br><span style=\"background-color: var(--wht);\"><br>This issue affects Junos OS:</span><ul><li>All versions before 22.2R3-S6,</li><li>from 22.4 before 22.4R3-S4,</li><li>from 23.2 before 23.2R2-S3,</li><li>from 23.4 before 23.4R2-S4,</li><li>from 24.2 before 24.2R1-S2, 24.2R2</li></ul><div>An indicator of compromise will indicate the SPC3 SPUs utilization has spiked.</div><br>For example:&nbsp;<br>&nbsp; &nbsp;user@device&gt; show services service-sets summary<br><div><pre>                     Service sets                                                                               CPU\n  Interface          configured       Bytes used             Session bytes used        Policy bytes used        utilization\n  \"interface\"          1              \"bytes\" (percent%)     \"sessions\" (\"percent\"%)   \"bytes\" (\"percent\"%)     99.97 % OVLD  &lt;&lt;&lt;&lt;&lt;&lt; look for high CPU usage\n</pre></div><p></p>"
                        }
                    ],
                    "value": "An Improper Input Validation vulnerability in the syslog stream TCP transport of Juniper Networks Junos OS on MX240, MX480 and MX960 devices with MX-SPC3 Security Services Card allows an unauthenticated, network-based attacker, to send specific spoofed packets to cause a CPU Denial of Service (DoS) to the MX-SPC3 SPUs.\n\nContinued receipt and processing of these specific packets will sustain the DoS condition.\n\nThis issue affects Junos OS:  *  All versions before 22.2R3-S6,\n  *  from 22.4 before 22.4R3-S4,\n  *  from 23.2 before 23.2R2-S3,\n  *  from 23.4 before 23.4R2-S4,\n  *  from 24.2 before 24.2R1-S2, 24.2R2\n\n\nAn indicator of compromise will indicate the SPC3 SPUs utilization has spiked.\n\n\nFor example: \n   user@device> show services service-sets summary\n                     Service sets                                                                               CPU\n  Interface          configured       Bytes used             Session bytes used        Policy bytes used        utilization\n  \"interface\"          1              \"bytes\" (percent%)     \"sessions\" (\"percent\"%)   \"bytes\" (\"percent\"%)     99.97 % OVLD  <<<<<< look for high CPU usage"
                }
            ],
            "exploits": [
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                            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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                    ],
                    "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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            "metrics": [
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                    "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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                        "attackRequirements": "NONE",
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                        "baseScore": 8.7,
                        "baseSeverity": "HIGH",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "AMBER",
                        "subAvailabilityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "CONCENTRATED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/V:C/RE:M/U:Amber",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "HIGH",
                        "vulnConfidentialityImpact": "NONE",
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                        "vulnerabilityResponseEffort": "MODERATE"
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            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-20",
                            "description": "CWE-20 Improper Input Validation",
                            "lang": "en",
                            "type": "CWE"
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            "providerMetadata": {
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                "dateUpdated": "2025-04-09T19:55:37.363Z"
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            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://supportportal.juniper.net/JSA96459"
                }
            ],
            "solutions": [
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                    "lang": "en",
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                            "value": "The following software releases have been updated to resolve this specific issue: Junos OS: 22.2R3-S6, 22.4R3-S4, 23.2R2-S3, 23.4R2-S4, 24.2R1-S2, 24.2R2, 24.4R1, and all subsequent releases.<br>"
                        }
                    ],
                    "value": "The following software releases have been updated to resolve this specific issue: Junos OS: 22.2R3-S6, 22.4R3-S4, 23.2R2-S3, 23.4R2-S4, 24.2R1-S2, 24.2R2, 24.4R1, and all subsequent releases."
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            "source": {
                "advisory": "JSA96459",
                "defect": [
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                "discovery": "USER"
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                    "lang": "en",
                    "time": "2025-04-09T16:00:00.000Z",
                    "value": "Initial Publication"
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            ],
            "title": "Junos OS: MX240, MX480, MX960 with SPC3: An attacker sending specific packets will cause a CPU utilization DoS.",
            "workarounds": [
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                            "value": "There are no known workarounds for this issue."
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        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-04-09T20:02:41.255699Z",
                                "id": "CVE-2025-30649",
                                "options": [
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                                        "Exploitation": "none"
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                                        "Technical Impact": "partial"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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