{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T20:24:00.511","vulnerabilities":[{"cve":{"id":"CVE-2024-39557","sourceIdentifier":"sirt@juniper.net","published":"2024-07-10T23:15:12.370","lastModified":"2025-02-07T20:07:26.403","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"An Uncontrolled Resource Consumption vulnerability in the \n\nLayer 2 Address Learning Daemon (l2ald)\n\n of Juniper Networks Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a memory leak, eventually exhausting all system memory, leading to a system crash and Denial of Service (DoS).\n\nCertain MAC table updates cause a small amount of memory to leak.  Once memory utilization reaches its limit, the issue will result in a system crash and restart.\n\nTo identify the issue, execute the CLI command:\n \nuser@device> show platform application-info allocations app l2ald-agent\nEVL Object Allocation Statistics:\n \n Node    Application       Context   Name                                 Live     Allocs     Fails       Guids\n re0     l2ald-agent                 net::juniper::rtnh::L2Rtinfo         1069096  1069302    0           1069302\n re0     l2ald-agent                 net::juniper::rtnh::NHOpaqueTlv       114      195        0           195\n\n\n\nThis issue affects Junos OS Evolved: \n\n\n  *  All versions before 21.4R3-S8-EVO,\n\n  *  from 22.2-EVO before 22.2R3-S4-EVO, \n  *  from 22.3-EVO before 22.3R3-S3-EVO, \n  *  from 22.4-EVO before 22.4R3-EVO, \n  *  from 23.2-EVO before 23.2R2-EVO."},{"lang":"es","value":"Una vulnerabilidad de consumo de recursos no controlado en el daemon de aprendizaje de direcciones de capa 2 (l2ald) de Juniper Networks Junos OS Evolved permite que un atacante adyacente no autenticado provoque una pérdida de memoria, lo que eventualmente agota toda la memoria del sistema, lo que provoca un fallo del sistema y denegación de servicio (DoS). ). Ciertas actualizaciones de la tabla MAC provocan la pérdida de una pequeña cantidad de memoria. Una vez que la utilización de la memoria alcance su límite, el problema provocará un bloqueo del sistema y un reinicio. Para identificar el problema, ejecute el comando CLI: usuario@dispositivo> show platform application-info asignaciones app l2ald-agent EVL Estadísticas de asignación de objetos: Nodo Aplicación Contexto Nombre Live Allocs falla Guías re0 l2ald-agent net::juniper::rtnh:: L2Rtinfo 1069096 1069302 0 1069302 re0 l2ald-agent net::juniper::rtnh::NHOpaqueTlv 114 195 0 195 Este problema afecta a Junos OS Evolved: * Todas las versiones anteriores a 21.4R3-S8-EVO, * desde 22.2-EVO anteriores a 22.2R3- S4-EVO, * desde 22.3-EVO antes de 22.3R3-S3-EVO, * desde 22.4-EVO antes de 22.4R3-EVO, * desde 23.2-EVO antes de 23.2R2-EVO."}],"metrics":{"cvssMetricV40":[{"source":"sirt@juniper.net","type":"Secondary","cvssData":{"version":"4.0","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:X/R:A/V:X/RE:X/U:X","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT","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":"AUTOMATIC","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:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}]},"weaknesses":[{"source":"sirt@juniper.net","type":"Secondary","description":[{"lang":"en","value":"CWE-400"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*","versionEndExcluding":"21.4","matchCriteriaId":"A51696D6-8503-4CBD-AD19-861E5BE94ED4"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:*","matchCriteriaId":"2E907193-075E-45BC-9257-9607DB790D71"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:*","matchCriteriaId":"8B73A41D-3FF5-4E53-83FF-74DF58E0D6C3"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:*","matchCriteriaId":"CEDF46A8-FC3A-4779-B695-2CA11D045AEB"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s2:*:*:*:*:*:*","matchCriteriaId":"39809219-9F87-4583-9DAD-9415DD320B36"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r2:*:*:*:*:*:*","matchCriteriaId":"DB299492-A919-4EBA-A62A-B3CF02FC0A95"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s1:*:*:*:*:*:*","matchCriteriaId":"74ED0939-D5F8-4334-9838-40F29DE3597F"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s2:*:*:*:*:*:*","matchCriteriaId":"C6937069-8C19-4B01-8415-ED7E9EAE2CE2"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r3:*:*:*:*:*:*","matchCriteriaId":"97DB6DD5-F5DD-4AE1-AF2F-8DB9E18FF882"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s1:*:*:*:*:*:*","matchCriteriaId":"21DF05B8-EF7E-422F-8831-06904160714C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s2:*:*:*:*:*:*","matchCriteriaId":"492FCE45-68A1-4378-85D4-C4034FE0D836"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s3:*:*:*:*:*:*","matchCriteriaId":"522114CC-1505-4205-B4B8-797DE1BD833B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s4:*:*:*:*:*:*","matchCriteriaId":"C9D664AB-0FA7-49C7-B6E1-69C77652FBEF"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s5:*:*:*:*:*:*","matchCriteriaId":"9DB01252-2F11-41DB-9023-C74FD723334E"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s6:*:*:*:*:*:*","matchCriteriaId":"F91450D5-F8CE-42EA-BB7E-312FCE024CD1"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s7:*:*:*:*:*:*","matchCriteriaId":"4E616550-8711-4282-A8A1-11BD5974E650"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.2:-:*:*:*:*:*:*","matchCriteriaId":"A3CA3365-F9AF-40DF-8700-30AD4BC58E27"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.2:r1:*:*:*:*:*:*","matchCriteriaId":"D77A072D-350A-42F2-8324-7D3AC1711BF9"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:22.2:r1-s1:*:*:*:*:*:*","matchCriteriaId"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