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A successful exploit could allow the attacker to send and receive broadcast traffic on the 802.1X-enabled port before authentication."},{"lang":"es","value":"Una vulnerabilidad en la funcionalidad 802.1X de Cisco Catalyst 2960-L Series Switches y Cisco Catalyst CDB-8P Switches, podría permitir a un atacante adyacente no autenticado reenviar el tráfico de difusión antes de ser autenticado en el puerto. La vulnerabilidad se presenta porque el tráfico de difusión que se recibe en el puerto habilitado para 802.1X se maneja inapropiadamente. Un atacante podría explotar esta vulnerabilidad mediante el envío de tráfico de difusión en el puerto antes de ser autenticado. Una explotación con éxito podría permitir al atacante enviar y recibir tráfico de difusión en el puerto habilitado para 802.1X antes de la autenticación."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","baseScore":4.7,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"cvssMetricV30":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","baseScore":4.7,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:A/AC:M/Au:N/C:P/I:N/A:N","baseScore":2.9,"accessVector":"ADJACENT_NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":5.5,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-284"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-863"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(5\\)e2:*:*:*:*:*:*:*","matchCriteriaId":"DD28874B-148A-4299-9AA1-67A550B25F8C"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(5\\)ex:*:*:*:*:*:*:*","matchCriteriaId":"7A472B96-0DDE-49DD-A7E3-A82DD6AEB3DD"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(5a\\)e:*:*:*:*:*:*:*","matchCriteriaId":"3A2EB46D-16E0-4C31-8634-C33D70B5381A"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(5b\\)e:*:*:*:*:*:*:*","matchCriteriaId":"F29B2E6F-ED6C-4568-9042-7A1BD96A9E07"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(5c\\)e:*:*:*:*:*:*:*","matchCriteriaId":"7803B445-FE22-4D4B-9F3A-68EFE528195E"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(6\\)e:*:*:*:*:*:*:*","matchCriteriaId":"199DCF1B-8A1E-47CC-87A6-64E6F21D8886"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(6\\)e0c:*:*:*:*:*:*:*","matchCriteriaId":"DD05109E-1183-419D-96A1-9CD5EA5ECC3C"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(6\\)e1:*:*:*:*:*:*:*","matchCriteriaId":"D3C73A3A-4B84-476F-AC3C-81DCB527E29A"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(6\\)e1a:*:*:*:*:*:*:*","matchCriteriaId":"7551128E-9E23-4C42-A681-6BE64D284C93"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(6\\)e1s:*:*:*:*:*:*:*","matchCriteriaId":"0EB7BFE1-06ED-4B45-8B4F-2B309B8D6342"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(6\\)e2:*:*:*:*:*:*:*","matchCriteriaId":"5DEE2C71-C401-43D1-86DC-725FE5FDF87E"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(6\\)e2b:*:*:*:*:*:*:*","matchCriteriaId":"FB2842F6-4CD5-457C-AC75-241A5AB9534B"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(6\\)e3:*:*:*:*:*:*:*","matchCriteriaId":"5ABE0470-E94A-4CAF-865D-73E2607A0DC1"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(6\\)e4:*:*:*:*:*:*:*","matchCriteriaId":"D229A62B-032E-499C-B02F-6EB07D5FF524"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(7\\)e:*:*:*:*:*:*:*","matchCriteriaId":"6437E689-A049-4D48-AB7A-49CA7EBDE8B6"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(7\\)e0a:*:*:*:*:*:*:*","matchCriteriaId":"110B699D-169E-4932-A480-6EBB90CAE94B"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(7\\)e0b:*:*:*:*:*:*:*","matchCriteriaId":"A4C12918-E5BB-465E-9DA4-06B7351DD805"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(7\\)e0s:*:*:*:*:*:*:*","matchCriteriaId":"4862C453-8BD7-4D53-B2D6-CE3E44A4915A"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(7a\\)e0b:*:*:*:*:*:*:*","matchCriteriaId":"1374E243-4EC2-4A81-991C-B5705135CAD2"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.2\\(7b\\)e0b:*:*:*:*:*:*:*","matchCriteriaId":"6ECA6101-94BA-4209-8243-A56AF02963EA"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.3\\(3\\)jaa1:*:*:*:*:*:*:*","matchCriteriaId":"EAE1AD0D-C3E9-488C-89CB-F2342CF6D5A0"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios:15.3\\(3\\)jpj:*:*:*:*:*:*:*","matchCriteriaId":"2F69B4F2-4A03-4383-8958-11EE154A7350"}]}]}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c2960L-DpWA9Re4","source":"psirt@cisco.com","tags":["Patch","Vendor 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