{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-57032", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-06-23T16:27:00.249Z", "datePublished": "2026-07-09T21:14:11.048Z", "dateUpdated": "2026-07-09T21:14:11.048Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["EX3400", "EX4100", "EX4400", "EX2300", "EX4000"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "23.2R2-S7", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "23.4R2-S8", "status": "affected", "version": "23.4", "versionType": "custom"}, {"lessThan": "24.2R2-S5", "status": "affected", "version": "24.2", "versionType": "custom"}, {"lessThan": "24.4R2", "status": "affected", "version": "24.4", "versionType": "custom"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "To be exposed to this issue gRPC needs to be enabled via at least one of:<br><br><tt>[ system services http servers ]<br>[ system services extension-service request-response grpc ]</tt>"}], "value": "To be exposed to this issue gRPC needs to be enabled via at least one of:\n\n[ system services http servers ]\n[ system services extension-service request-response grpc ]"}], "datePublic": "2026-07-08T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Improper Handling of Undefined Parameters vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on EX Series devices allows an authenticated attacker with low privileges to cause a Denial-of-Service (DoS).<p>\n\nIf an attempt is made to subscribe to an unsupported telemetry sensor path on EX2300,&nbsp;EX3400,&nbsp;EX4000, EX4100 and EX4400 via gRPC, this causes the FPC to crash. This leads to a complete service outage until the module has automatically restarted.&nbsp;</p><p>The following log message can be seen when this issue happens:</p><tt>agentd[&lt;PID&gt;]: AGENTD_RESOURCE_NOT_FOUND: No resource name found for &lt;sensor&gt;</tt><p><br></p><p>This issue affects Junos OS on \n\n<span style=\"background-color: rgb(255, 255, 255);\">EX2300, EX3400, EX4000, EX4100 and EX4400</span>\n\ndevices:<br></p><ul><li>all versions before 23.2R2-S7,</li><li>23.4 versions before 23.4R2-S8,</li><li>24.2 versions before 24.2R2-S5,</li><li>24.4 versions before 24.4R2.</li></ul><br><p></p>"}], "value": "An Improper Handling of Undefined Parameters vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on EX Series devices allows an authenticated attacker with low privileges to cause a Denial-of-Service (DoS).\n\nIf an attempt is made to subscribe to an unsupported telemetry sensor path on EX2300,\u00a0EX3400,\u00a0EX4000, EX4100 and EX4400 via gRPC, this causes the FPC to crash. This leads to a complete service outage until the module has automatically restarted.\u00a0\n\nThe following log message can be seen when this issue happens:\n\nagentd[<PID>]: AGENTD_RESOURCE_NOT_FOUND: No resource name found for <sensor>\n\n\nThis issue affects Junos OS on \n\nEX2300, EX3400, EX4000, EX4100 and EX4400\n\ndevices:\n\n\n * all versions before 23.2R2-S7,\n * 23.4 versions before 23.4R2-S8,\n * 24.2 versions before 24.2R2-S5,\n * 24.4 versions before 24.4R2."}], "exploits": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_1": {"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", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"cvssV4_0": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 7.1, "baseSeverity": "HIGH", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-236", "description": "CWE-236 Improper Handling of Undefined Parameters", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2026-07-09T21:14:11.048Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://supportportal.juniper.net/JSA110092"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: 23.2R2-S7, 23.4R2-S8, 24.2R2-S5, 24.4R2, 25.2R1, and all subsequent releases."}], "value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: 23.2R2-S7, 23.4R2-S8, 24.2R2-S5, 24.4R2, 25.2R1, and all subsequent releases."}], "source": {"advisory": "JSA110092", "defect": ["1912078"], "discovery": "USER"}, "title": "Junos OS: EX Series: Subscribing to an unsupported telemetry sensor path causes fxpc process crash", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "There are no known workarounds for this issue.<br>To reduce the risk of exploitation use access lists or firewall filters to limit access to the device only from trusted hosts and administrators.<br>"}], "value": "There are no known workarounds for this issue.\nTo reduce the risk of exploitation use access lists or firewall filters to limit access to the device only from trusted hosts and administrators."}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

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