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This can enable an ACL bypass."},{"lang":"es","value":"Este aviso documenta el impacto de una vulnerabilidad encontrada internamente en Arista EOS para omitir las ACL de seguridad. El impacto de esta vulnerabilidad es que la regla de caída de la ACL de seguridad podría omitirse si un filtro de regla ACL de NAT con acción de permiso coincide con el flujo de paquetes. Esto podría permitir que un host con una dirección IP en un rango que coincida con el rango permitido por una ACL de NAT y un rango denegado por una ACL de seguridad sea reenviado incorrectamente ya que debería haber sido denegado por la ACL de seguridad. Esto puede permitir una derivación de la ACL"}],"metrics":{"cvssMetricV31":[{"source":"psirt@arista.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","baseScore":5.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4},{"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:L/I:L/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":2.5}]},"weaknesses":[{"source":"psirt@arista.com","type":"Secondary","description":[{"lang":"en","value":"CWE-284"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*","versionEndIncluding":"4.24.9","matchCriteriaId":"BD53A1C6-B490-4176-B956-83B3AF856E07"},{"vulnerable":true,"criteria":"cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*","versionStartIncluding":"4.25.0","versionEndIncluding":"4.25.8","matchCriteriaId":"E995C872-3638-45EC-A912-ECBEB2B61369"},{"vulnerable":true,"criteria":"cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*","versionStartIncluding":"4.26.0","versionEndIncluding":"4.26.5","matchCriteriaId":"7C0F3258-2042-4BC5-B003-6406D8EF8291"},{"vulnerable":true,"criteria":"cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*","versionStartIncluding":"4.27.0","versionEndIncluding":"4.27.3","matchCriteriaId":"4D71F445-AB45-43B2-8C37-A4C6169F2CED"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7050cx3-32s:-:*:*:*:*:*:*:*","matchCriteriaId":"E1FF0290-C671-4ABC-8A12-05E4D55FC4AE"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7050cx3m-32s:-:*:*:*:*:*:*:*","matchCriteriaId":"828C6E4F-814A-4060-8F5E-7FF359C8739C"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7050sx3-48c8:-:*:*:*:*:*:*:*","matchCriteriaId":"FE35C17F-0C60-4A40-9949-D4C5D94D1D7A"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7050sx3-48yc:-:*:*:*:*:*:*:*","matchCriteriaId":"07BA078E-30B7-4E2C-B240-BF64E98143E9"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7050sx3-48yc12:-:*:*:*:*:*:*:*","matchCriteriaId":"EBFD0706-CACB-40FA-A41B-46B39C6E1D33"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7050sx3-48yc8:-:*:*:*:*:*:*:*","matchCriteriaId":"5951D243-CB68-4B41-A913-D879CE502795"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7050sx3-96yc8:-:*:*:*:*:*:*:*","matchCriteriaId":"73156612-D338-4E20-8C82-0E65DAA72331"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7050tx3-48c8:-:*:*:*:*:*:*:*","matchCriteriaId":"388C57D8-4B3C-4E5D-84AA-0CB7506F825A"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:720xp-24y6:-:*:*:*:*:*:*:*","matchCriteriaId":"7AFDBCBB-2C1A-4B88-AE28-EF63D5B9EDD2"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:720xp-24zy4:-:*:*:*:*:*:*:*","matchCriteriaId":"58757129-BF9C-4BD8-B692-BB57023F8A48"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:720xp-48y6:-:*:*:*:*:*:*:*","matchCriteriaId":"2756BB4B-1053-4EAC-AC0B-785FD5039D5F"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:720xp-48zc2:-:*:*:*:*:*:*:*","matchCriteriaId":"40D36540-7723-4284-A207-6BD27728CA25"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:720xp-96zc2:-:*:*:*:*:*:*:*","matchCriteriaId":"DF95CB28-E010-4A1D-A746-F9DDF015868F"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7300x3-32c:-:*:*:*:*:*:*:*","matchCriteriaId":"0040BDDF-D711-4619-9E96-96EFBD33CAA0"},{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7300x3-48yc4:-:*:*:*:*:*:*:*","matchCriteriaId":"D4AA716D-CAD1-4689-8A26-977A2E5F869E"}]}]}],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/15862-security-advisory-0078","source":"psirt@arista.com","tags":["Exploit","Mitigation","Vendor Advisory"]},{"url":"https://www.arista.com/en/support/advisories-notices/security-advisory/15862-security-advisory-0078","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Mitigation","Vendor Advisory"]}]}}]}