{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T18:16:40.290","vulnerabilities":[{"cve":{"id":"CVE-2020-1651","sourceIdentifier":"sirt@juniper.net","published":"2020-07-17T19:15:13.720","lastModified":"2024-11-21T05:11:05.210","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"On Juniper Networks MX series, receipt of a stream of specific Layer 2 frames may cause a memory leak resulting in the packet forwarding engine (PFE) on the line card to crash and restart, causing traffic interruption. By continuously sending this stream of specific layer 2 frame, an attacker connected to the same broadcast domain can repeatedly crash the PFE, causing a prolonged Denial of Service (DoS). This issue affects Juniper Networks Junos OS on MX Series: 17.2 versions prior to 17.2R3-S4; 17.2X75 versions prior to 17.2X75-D105.19; 17.3 versions prior to 17.3R3-S7; 17.4 versions prior to 17.4R1-S3, 17.4R2; 18.1 versions prior to 18.1R2. This issue does not affect Juniper Networks Junos OS releases prior to 17.2R1."},{"lang":"es","value":"En la serie Juniper Networks MX, la recepción de un flujo de tramas específicas de Capa 2 puede causar una pérdida de memoria resultando en que el motor de reenvío de paquetes (PFE) en la tarjeta de línea se bloquee y reinicie, causando una interrupción del tráfico. Al enviar continuamente este flujo de trama específica de capa 2, un atacante conectado al mismo dominio de difusión puede bloquear de forma repetida el PFE, causando una Denegación de Servicio (DoS) prolongada. Este problema afecta a Juniper Networks Junos OS en la Serie MX: versiones 17.2 anteriores a 17.2R3-S4; versiones 17.2X75 anteriores a 17.2X75-D105.19; versiones 17.3 anteriores a 17.3R3-S7; versiones 17.4 anteriores a 17.4R1-S3, versiones 17.4R2; 18.1 anteriores a 18.1R2. Este problema no afecta a Juniper Networks Junos OS versiones anteriores a 17.2R1"}],"metrics":{"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},{"source":"nvd@nist.gov","type":"Primary","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}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:A/AC:L/Au:N/C:N/I:N/A:P","baseScore":3.3,"accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"LOW","exploitabilityScore":6.5,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"sirt@juniper.net","type":"Secondary","description":[{"lang":"en","value":"CWE-19"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:-:*:*:*:*:*:*","matchCriteriaId":"BCEE8D9C-6D64-4A9B-A74A-57A0BF4086C6"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r1:*:*:*:*:*:*","matchCriteriaId":"E889BF9C-BDDF-4A6A-97BB-00A097EF6D91"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r1-s1:*:*:*:*:*:*","matchCriteriaId":"8BCF0612-AF16-4925-8E42-77734513F923"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r1-s2:*:*:*:*:*:*","matchCriteriaId":"595987A6-D8CE-41ED-B51C-EF9CD3B47AD0"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r1-s3:*:*:*:*:*:*","matchCriteriaId":"7B5A2205-C40B-4746-9A23-1973433FF065"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r1-s4:*:*:*:*:*:*","matchCriteriaId":"CFA3526C-FF53-4823-B6AC-0BA91BFB532D"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r1-s5:*:*:*:*:*:*","matchCriteriaId":"AA92B7F8-705B-410F-BDA3-7C28FF51967F"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r1-s7:*:*:*:*:*:*","matchCriteriaId":"9689695F-53EB-4B35-9072-750E7282B011"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r1-s8:*:*:*:*:*:*","matchCriteriaId":"4F7CE683-5647-455B-936C-DF0D973A180A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r2:*:*:*:*:*:*","matchCriteriaId":"7D45F2C3-20FF-4A91-A440-E109B3CCE7C9"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r2-s11:*:*:*:*:*:*","matchCriteriaId":"BA433E05-83F8-410D-AEB3-3A02BAB0BE0B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r2-s6:*:*:*:*:*:*","matchCriteriaId":"B87ECEAD-FD18-4252-8D46-F281DD4125AC"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r2-s7:*:*:*:*:*:*","matchCriteriaId":"C6788EE2-B0DA-470E-B72E-E8D5CCFB5259"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r3-s1:*:*:*:*:*:*","matchCriteriaId":"5FD8A8E1-201B-4E4E-8F69-23856E56AF60"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r3-s2:*:*:*:*:*:*","matchCriteriaId":"897850A3-2A27-483C-8266-E4547F1A4341"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2:r3-s3:*:*:*:*:*:*","matchCriteriaId":"7939BCE6-D4E8-4366-B954-32D77F21A35D"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2x75:-:*:*:*:*:*:*","matchCriteriaId":"8B809686-D679-483B-9196-510582F07A7E"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2x75:d102:*:*:*:*:*:*","matchCriteriaId":"81332BD3-99F9-4A7C-A04F-1F3A81CA6941"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2x75:d50:*:*:*:*:*:*","matchCriteriaId":"1C913A29-64F1-4B2C-A4BC-163891E9A43A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2x75:d70:*:*:*:*:*:*","matchCriteriaId":"CD7217ED-631C-4206-9381-18C0BDD69C7D"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.2x75:d92:*:*:*:*:*:*","matchCriteriaId":"D5DCC950-B6D1-4EF2-87EB-7D152CD9D8CD"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.3:-:*:*:*:*:*:*","matchCriteriaId":"A283D32F-1CAF-4A5A-83E1-585F2801771F"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.3:r1-s1:*:*:*:*:*:*","matchCriteriaId":"C52E355B-DA7D-4FDE-B2D7-A3C3C9C99918"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:17.3:r2:*:*:*:*:*:*","matchCriteriaId":"69FC46D4-39E2-4E2F-A1D3-1001769A7115"}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