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and restart of the MS-MPC.\nThis issue affects Junos OS:\n\n\n\n * all versions before 21.2R3-S9,\n * 21.4 versions from 21.4R1,\n * 22.2 versions before 22.2R3-S6,\n * 22.4 versions before 22.4R3-S6.\n\n\n\n\nAs the MS-MPC is EoL after Junos OS 22.4, later versions are not affected.\n\nThis issue does not affect MX-SPC3 or SRX Series devices."}, {"lang": "es", "value": "Una vulnerabilidad de apagado o liberaci\u00f3n incorrecta de recursos en la ALG SIP de Juniper Networks Junos OS en la serie MX con MS-MPC permite que un atacante no autenticado basado en la red provoque una denegaci\u00f3n de servicio (DoS). Cuando un dispositivo de la serie MX con un MS-MPC se configura con dos o m\u00e1s conjuntos de servicios que procesan llamadas SIP, una secuencia espec\u00edfica de eventos de llamada provocar\u00e1 un bloqueo y reinicio del MS-MPC. Este problema afecta a Junos OS: * todas las versiones anteriores a 21.2R3-S9, * versiones 21.4 a partir de 21.4R1, * versiones 22.2 anteriores a 22.2R3-S6, * versiones 22.4 anteriores a 22.4R3-S6. Dado que el MS-MPC ha alcanzado el fin de su vida \u00fatil despu\u00e9s de Junos OS 22.4, las versiones posteriores no se ven afectadas. Este problema no afecta a los dispositivos de las series MX-SPC3 ni SRX."}], "id": "CVE-2025-52982", "lastModified": "2026-01-23T17:03:53.017", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.2, "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": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/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:X/RE:M/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2025-07-11T16:15:25.367", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA100088"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-404"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

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