{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102048", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2026-09-28T17:35:40.522Z", "datePublished": "2026-10-14T16:53:12.252Z", "dateUpdated": "2026-10-14T16:53:12.252Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "23.2R2-S7.7", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "23.4R2-S8.13", "status": "affected", "version": "23.4", "versionType": "custom"}, {"lessThan": "24.2R2-S5.5", "status": "affected", "version": "24.2", "versionType": "custom"}, {"lessThan": "24.4R2-S5", "status": "affected", "version": "24.4", "versionType": "custom"}, {"lessThan": "25.2R2-S2", "status": "affected", "version": "25.2", "versionType": "custom"}, {"lessThan": "25.4R1-S3", "status": "affected", "version": "25.4", "versionType": "custom"}, {"lessThan": "26.2R1-S2", "status": "affected", "version": "26.2", "versionType": "custom"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<tt>[ interfaces &lt;interface&gt; flexible-vlan-tagging encapsulation flexible-ethernet-services ]<br>[ interfaces &lt;interface&gt; unit &lt;unit&gt; encapsulation vlan-vpls vlan-id &lt;id&gt; ]<br>[ protocols oam ethernet fnp interface &lt;interface&gt;.&lt;id&gt; ]</tt>"}], "value": "[ interfaces <interface> flexible-vlan-tagging encapsulation flexible-ethernet-services ]\n[ interfaces <interface> unit <unit> encapsulation vlan-vpls vlan-id <id> ]\n[ protocols oam ethernet fnp interface <interface>.<id> ]"}], "datePublic": "2026-10-14T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Allocation of Resources Without Limits or Throttling vulnerability in the l2cpd process of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a denial of service and l2cpd restart via FNP-enabled Layer 2 interfaces. The issue is triggered when the FNP feature is enabled on a VPLS routing instance&nbsp;with VLAN-VPLS encapsulation enabled.<br><br>This issue affects all platforms except the PTX Series and SRX Series."}], "value": "An Allocation of Resources Without Limits or Throttling vulnerability in the l2cpd process of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a denial of service and l2cpd restart via FNP-enabled Layer 2 interfaces. The issue is triggered when the FNP feature is enabled on a VPLS routing instance\u00a0with VLAN-VPLS encapsulation enabled.\n\nThis issue affects all platforms except the PTX Series and SRX Series."}], "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": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "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", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"cvssV4_0": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "baseScore": 7.1, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "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/AU:Y/R:A/V:C/RE:M", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "description": "CWE-770 Allocation of Resources Without Limits or Throttling", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2026-10-14T16:53:12.252Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://supportportal.juniper.net/JSA112188"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": true, "type": "text/html", "value": "The following software releases have been updated to resolve this specific issue:<br>\n<br>\nJunos OS: 23.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 25.4R2, 26.2R1-S2, 26.2R2, 26.4R1, and all subsequent releases.<br><br><b>Note:</b> For Junos OS releases 23.2, 23.4, and 24.2, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory."}], "value": "The following software releases have been updated to resolve this specific issue:\n\n\n\nJunos OS: 23.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 25.4R2, 26.2R1-S2, 26.2R2, 26.4R1, and all subsequent releases.\n\nNote: For Junos OS releases 23.2, 23.4, and 24.2, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory."}], "source": {"advisory": "JSA112188", "defect": ["1957361"], "discovery": "INTERNAL"}, "title": "Junos OS: An attacker causes l2cpd crash when FNP is used with VLAN-VPLS encapsulation enabled", "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "There are no known workarounds for this issue."}], "value": "There are no known workarounds for this issue."}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "23.2R2-S7.7", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "23.4R2-S8.13", "status": "affected", "version": "23.4", "versionType": "custom"}, {"lessThan": "24.2R2-S5.5", "status": "affected", "version": "24.2", "versionType": "custom"}, {"lessThan": "24.4R2-S5", "status": "affected", "version": "24.4", "versionType": "custom"}, {"lessThan": "25.2R2-S2", "status": "affected", "version": "25.2", "versionType": "custom"}, {"lessThan": "25.4R1-S3", "status": "affected", "version": "25.4", "versionType": "custom"}, {"lessThan": "26.2R1-S2", "status": "affected", "version": "26.2", "versionType": "custom"}]}], "source": "sirt@juniper.net"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An Allocation of Resources Without Limits or Throttling vulnerability in the l2cpd process of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a denial of service and l2cpd restart via FNP-enabled Layer 2 interfaces. The issue is triggered when the FNP feature is enabled on a VPLS routing instance\u00a0with VLAN-VPLS encapsulation enabled.\n\nThis issue affects all platforms except the PTX Series and SRX Series."}], "id": "CVE-2026-102048", "lastModified": "2026-10-14T17:17:59.397", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "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", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:C/RE:M/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2026-10-14T17:17:59.397", "references": [{"source": "sirt@juniper.net", "url": "https://supportportal.juniper.net/JSA112188"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "sirt@juniper.net", "type": "Primary"}]}

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