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This issue does not affect Juniper Networks Junos OS."},{"lang":"es","value":"Una vulnerabilidad de Actualización Inapropiada del Recuento de Referencias en el kernel de Juniper Networks Junos OS Evolved permite a un atacante no autenticado y basado en la red desencadenar un desbordamiento del contador, causando eventualmente una Denegación de Servicio (DoS). Este problema afecta a Juniper Networks Junos OS Evolved: Todas las versiones anteriores a 20.4R3-S1-EVO; versiones 21.1 anteriores a 21.1R3-EVO; versiones 21.2 anteriores a 21.2R3-EVO; versiones 21.3 anteriores a 21.3R2-EVO. Este problema no afecta a Juniper Networks Junos OS"}],"affected":[{"source":"sirt@juniper.net","affectedData":[{"vendor":"Juniper Networks","product":"Junos OS Evolved","versions":[{"version":"unspecified","lessThan":"20.4R3-S1-EVO","versionType":"custom","status":"affected"},{"version":"21.1","lessThan":"21.1R3-EVO","versionType":"custom","status":"affected"},{"version":"21.2","lessThan":"21.2R3-EVO","versionType":"custom","status":"affected"},{"version":"21.3","lessThan":"21.3R2-EVO","versionType":"custom","status":"affected"}]},{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"any","status":"unaffected"}]}]}],"metrics":{"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},{"source":"nvd@nist.gov","type":"Primary","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}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:C","baseScore":7.8,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"sirt@juniper.net","type":"Secondary","description":[{"lang":"en","value":"CWE-911"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*","versionEndExcluding":"20.4","matchCriteriaId":"0F41A7DF-2B27-4E2E-ABFC-E0510A028199"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.4:r1:*:*:*:*:*:*","matchCriteriaId":"C9C8866D-162F-4C9B-8167-2FBA25410368"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s1:*:*:*:*:*:*","matchCriteriaId":"F85E5BC7-8607-4330-AA72-2273D32F8604"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.4:r1-s2:*:*:*:*:*:*","matchCriteriaId":"878C81C9-A418-4A21-8FDB-2116A992679C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.4:r2:*:*:*:*:*:*","matchCriteriaId":"7451A671-A3CC-4904-8D45-947B1D3783C9"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s1:*:*:*:*:*:*","matchCriteriaId":"0108AD20-EAE6-41D1-AE48-254C46B5388A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s2:*:*:*:*:*:*","matchCriteriaId":"44FBCA6F-EB05-4EE4-85FD-944BDAF7D81B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.4:r2-s3:*:*:*:*:*:*","matchCriteriaId":"E554FD12-FE69-44D1-B2C9-4382F8CA4456"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:20.4:r3:*:*:*:*:*:*","matchCriteriaId":"E0C1D53E-70BE-4246-89ED-1074C8C70747"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.1:r1:*:*:*:*:*:*","matchCriteriaId":"AE674DD3-3590-4434-B144-5AD7EB5F039D"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.1:r1-s1:*:*:*:*:*:*","matchCriteriaId":"0099BDA9-9D4B-4D6C-8234-EFD9E8C63476"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.1:r2:*:*:*:*:*:*","matchCriteriaId":"D8729BC1-FB09-4E6D-A5D5-8BDC589555B6"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.2:r1:*:*:*:*:*:*","matchCriteriaId":"3EA3DC63-B290-4D15-BEF9-21DEF36CA2EA"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.2:r1-s1:*:*:*:*:*:*","matchCriteriaId":"7E1E57AF-979B-4022-8AD6-B3558E06B718"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.2:r2:*:*:*:*:*:*","matchCriteriaId":"7BA246F0-154E-4F44-A97B-690D22FA73DD"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.3:r1:*:*:*:*:*:*","matchCriteriaId":"5A4DD04A-DE52-46BE-8C34-8DB47F7500F0"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos_os_evolved:21.3:r1-s1:*:*:*:*:*:*","matchCriteriaId":"FEE0E145-8E1C-446E-90ED-237E3B9CAF47"}]}]}],"references":[{"url":"https://kb.juniper.net/JSA69508","source":"sirt@juniper.net","tags":["Vendor Advisory"]},{"url":"https://kb.juniper.net/JSA69508","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}