{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-14T21:09:42.307","vulnerabilities":[{"cve":{"id":"CVE-2025-21599","sourceIdentifier":"sirt@juniper.net","published":"2025-01-09T17:15:18.770","lastModified":"2026-01-26T19:34:46.023","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A Missing Release of Memory after Effective Lifetime vulnerability in the Juniper Tunnel Driver (jtd) of Juniper Networks Junos OS Evolved allows an unauthenticated network-based attacker to cause Denial of Service. \n\nReceipt of specifically malformed IPv6 packets, destined to the device, causes kernel memory to not be freed, resulting in memory exhaustion leading to a system crash and Denial of Service (DoS). Continuous receipt and processing of these packets will continue to exhaust kernel memory, creating a sustained Denial of Service (DoS) condition.\nThis issue only affects systems configured with IPv6.\n\nThis issue affects Junos OS Evolved: \n\n\n\n  *  from 22.4-EVO before 22.4R3-S5-EVO, \n  *  from 23.2-EVO before 23.2R2-S2-EVO, \n  *  from 23.4-EVO before 23.4R2-S2-EVO, \n  *  from 24.2-EVO before 24.2R1-S2-EVO, 24.2R2-EVO.\n\n\n\n\nThis issue does not affect Juniper Networks Junos OS Evolved versions prior to 22.4R1-EVO."},{"lang":"es","value":"Una vulnerabilidad de falta de liberación de memoria después de la vida útil efectiva en Juniper Tunnel Driver (jtd) de Juniper Networks Junos OS permite que un atacante no autenticado basado en la red provoque una denegación de servicio. La recepción de paquetes IPv6 específicamente malformados, destinados al dispositivo, hace que no se libere la memoria del núcleo, lo que da como resultado un agotamiento de la memoria que conduce a un bloqueo del sistema y una denegación de servicio (DoS). La recepción y el procesamiento continuos de estos paquetes seguirán agotando la memoria del núcleo, lo que creará una condición de denegación de servicio (DoS) sostenida. Este problema solo afecta a los sistemas configurados con IPv6. Este problema afecta a Junos OS Evolved: * desde 22.4-EVO hasta 22.4R3-S5-EVO, * desde 23.2-EVO hasta 23.2R2-S2-EVO, * desde 23.4-EVO hasta 23.4R2-S2-EVO, * desde 24.2-EVO hasta 24.2R1-S2-EVO, 24.2R2-EVO. Este problema no afecta a las versiones de Juniper Networks Junos OS Evolved anteriores a 22.4R1-EVO."}],"metrics":{"cvssMetricV40":[{"source":"sirt@juniper.net","type":"Secondary","cvssData":{"version":"4.0","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\/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:X\/R:X\/V:X\/RE:X\/U:X","baseScore":8.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"LOW","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"sirt@juniper.net","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:N\/S:U\/C:N\/I:N\/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"weaknesses":[{"source":"sirt@juniper.net","type":"Secondary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:-:*:*:*:*:*:*","matchCriteriaId":"0A33C425-921F-4795-B834-608C8F1597E0"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r1:*:*:*:*:*:*","matchCriteriaId":"93887799-F62C-4A4A-BCF5-004D0B4D4154"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r1-s1:*:*:*:*:*:*","matchCriteriaId":"62C473D2-2612-4480-82D8-8A24D0687BBD"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r1-s2:*:*:*:*:*:*","matchCriteriaId":"7FB4C5CA-A709-4B13-A9E0-372098A72AD3"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r2:*:*:*:*:*:*","matchCriteriaId":"04CE952D-E3C1-4B34-9E65-EC52BFE887AB"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r2-s1:*:*:*:*:*:*","matchCriteriaId":"8AE9D1A7-4721-4E1D-B965-FDC38126B1DD"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r2-s2:*:*:*:*:*:*","matchCriteriaId":"A8643AA3-29EF-48A7-B033-CB60988E214B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r3:*:*:*:*:*:*","matchCriteriaId":"9800BA03-E6BF-4212-B2E7-69C0FD27D294"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r3-s1:*:*:*:*:*:*","matchCriteriaId":"ACCA655D-C542-44F1-B183-4C864CFF2D4F"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r3-s2:*:*:*:*:*:*","matchCriteriaId":"6D499B19-A91A-4B76-B1CB-6A07A4CB212B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r3-s3:*:*:*:*:*:*","matchCriteriaId":"B6B2830C-26EE-446E-B0C3-B5E43AD897B8"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.4:r3-s4:*:*:*:*:*:*","matchCriteriaId":"1C7367E6-B491-4A1F-B9D7-BC86A15A0773"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:23.2:-:*:*:*:*:*:*","matchCriteriaId":"6DEAA7FD-385F-4221-907E-65ABC16BE4BE"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:23.2:r1:*:*:*:*:*:*","matchCriteriaId":"DDEC008A-3137-48D1-8ABC-6DB0EFC40E50"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:23.2:r1-s1:*:*:*:*:*:*","matchCriteriaId":"558D234D-BC50-415F-86D6-8E19D6C3ACE0"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:23.2:r1-s2:*:*:*:*:*:*","matchCriteriaId":"33F4EEEE-77E9-4973-A770-99E7BA2F05F5"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:23.2:r2:*:*:*:*:*:*","matchCriteriaId":"A4BB6910-B994-45FD-8153-5EC00EE842E6"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:23.2:r2-s1:*:*:*:*:*:*","matchCriteriaId":"D657944B-2066-4F2C-BC92-EDF4DE1C165C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:23.4:-:*:*:*:*:*:*","matchCriteriaId":"9D7F0D73-85EE-4A07-B51B-6BF52ECBA75E"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_o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Advisory"]}]}}]}