<style id="elementor-post-4971">.elementor-4971 .elementor-element.elementor-element-2a7b64b6{margin-top:-20px;margin-bottom:0px;padding:0px 0px 0px 0px;}.elementor-4971 .elementor-element.elementor-element-2399b184 > .elementor-widget-wrap > .elementor-widget:not(.elementor-widget__width-auto):not(.elementor-widget__width-initial):not(:last-child):not(.elementor-absolute){margin-block-end:5px;}.elementor-4971 .elementor-element.elementor-element-2399b184 > .elementor-element-populated{padding:0px 0px 20px 0px;}.elementor-4971 .elementor-element.elementor-element-3639f50c{--divider-border-style:solid;--divider-color:#0000001A;--divider-border-width:1px;}.elementor-4971 .elementor-element.elementor-element-3639f50c .elementor-divider-separator{width:100%;}.elementor-4971 .elementor-element.elementor-element-3639f50c .elementor-divider{padding-block-start:15px;padding-block-end:15px;}/* Start custom CSS for text-editor, class: .elementor-element-461d9476 */.elementor-4971 .elementor-element.elementor-element-461d9476 a {
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}/* End custom CSS */</style>{"id":4971,"date":"2022-03-16T14:01:06","date_gmt":"2022-03-16T13:01:06","guid":{"rendered":"https:\/\/www.infordisa.com\/soc\/?p=4971"},"modified":"2025-08-18T13:18:00","modified_gmt":"2025-08-18T11:18:00","slug":"vulnerabilidad-cve-2021-44142-explotada-en-sistemas-nas-de-synology","status":"publish","type":"post","link":"https:\/\/www.infordisa.com\/soc\/vulnerabilidad-cve-2021-44142-explotada-en-sistemas-nas-de-synology\/","title":{"rendered":"Vulnerabilidad CVE-2021-44142 explotada en sistemas NAS de Synology"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4971\" class=\"elementor elementor-4971\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2a7b64b6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2a7b64b6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2399b184\" data-id=\"2399b184\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3246d77c elementor-widget elementor-widget-shortcode\" data-id=\"3246d77c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><span style=\"color: #c02b23;font-weight: bold\">Cr&iacute;tica <\/span><img loading=\"lazy\" decoding=\"async\" width=\"10\" height=\"10\" src=\"https:\/\/www.infordisa.com\/soc\/imgs\/alerta-5.png\" alt=\"Alerta 5\"\/><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-461d9476 elementor-widget elementor-widget-text-editor\" data-id=\"461d9476\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div><strong><a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2021-44142\" target=\"_blank\" rel=\"noopener\">CVE-2021-44142<\/a><\/strong><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3639f50c elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3639f50c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b901e3 elementor-widget elementor-widget-text-editor\" data-id=\"6b901e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-contrast=\"auto\">El SOC de Infordisa ha reportado varias violaciones de seguridad por ataques de tipo <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/ransomware\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">ransomware<\/a> a <\/span><span data-contrast=\"none\">diferentes organizaciones<\/span><span data-contrast=\"auto\">. Los ataques se han ejecutado en las &uacute;ltimas horas de forma coordinada y han afectado concretamente a varios sistemas NAS de Synology.<\/span><\/p><p><span data-contrast=\"auto\">Concretamente la <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a> explotada es la <\/span><a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2021-44142\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">CVE-2021-44142<\/span><\/a><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/p><p><span data-contrast=\"auto\">Con esta explotaci&oacute;n, aunque las copias <\/span><span data-contrast=\"none\">est&eacute;n en un recurso de red &ldquo;\/\/<a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/url\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>URL<\/a>&rdquo; protegida por contrase&ntilde;a, si utilizan SAMBA <\/span><span data-contrast=\"auto\">se han visto comprometidas.<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/p><h3 aria-level=\"2\"><span data-contrast=\"none\">Descripci&oacute;n<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/h3><p><span data-contrast=\"auto\"><a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/cve\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>CVE<\/a>-2021-44142 es una vulnerabilidad que permite a los atacantes remotos <\/span><b><span data-contrast=\"auto\">ejecutar c&oacute;digo arbitrario en las instalaciones afectadas de Samba<\/span><\/b><span data-contrast=\"auto\">.<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/p><p><span data-contrast=\"auto\">Samba es un conjunto de software de interoperabilidad est&aacute;ndar integrado en Windows.<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/p><p><span data-contrast=\"auto\">La brecha espec&iacute;fica existe en el an&aacute;lisis de los <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/metadatos\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">metadatos<\/a> de EA en el daemon del <a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/servidor\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>servidor<\/a> smbd al abrir un archivo. Un atacante puede abusar de esta vulnerabilidad para ejecutar c&oacute;digo en el contexto ra&iacute;z, incluso sin <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/autenticacion\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">autenticaci&oacute;n<\/a>.<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/p><h3 aria-level=\"2\"><span data-contrast=\"none\">Soluci&oacute;n<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/h3><p><span data-contrast=\"auto\">Samba ya public<\/span><span data-contrast=\"auto\">&oacute;&nbsp;<\/span><span data-contrast=\"auto\">el <\/span><a href=\"https:\/\/www.samba.org\/samba\/history\/security.html\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">parche de c&oacute;digo fuente<\/span><\/a><span data-contrast=\"auto\"> para esta brecha el 31 de enero, junto con las otras vulnerabilidades que les fueron reveladas.<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/p><p><span data-contrast=\"none\">Synology tamb&iacute;en <\/span><a href=\"https:\/\/www.synology.com\/es-es\/security\/advisory\/Synology_SA_22_02\" target=\"_blank\" rel=\"noopener\"><span data-contrast=\"none\">public&oacute; las versiones de su software DSM<\/span><\/a><span data-contrast=\"none\"> (Disk Station Manager) afectadas por dicha <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a> y los updates de seguridad a aplicar.<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-91046c7 elementor-widget elementor-widget-text-editor\" data-id=\"91046c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table style=\"font-weight: 400;\" data-tablestyle=\"MsoTableGrid\" data-tablelook=\"1696\" aria-rowcount=\"6\"><tbody><tr aria-rowindex=\"1\"><td data-celllook=\"69905\"><p><b><span data-contrast=\"none\">Producto<\/span><\/b><span data-ccp-props='{\"201341983\":0,\"335551550\":2,\"335551620\":2,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"69905\"><p><b><span data-contrast=\"none\">Severidad<\/span><\/b><span data-ccp-props='{\"201341983\":0,\"335551550\":2,\"335551620\":2,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"69905\"><p><b><span data-contrast=\"none\">Disponibilidad<\/span><\/b><\/p><\/td><\/tr><tr aria-rowindex=\"2\"><td data-celllook=\"4369\"><p><span data-contrast=\"none\">DSM 7.0<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"4369\"><p><span data-contrast=\"none\">No afectada<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"4369\"><p><span data-contrast=\"none\">N\/A<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><\/tr><tr aria-rowindex=\"3\"><td data-celllook=\"4369\"><p><span data-contrast=\"none\">DSM 6.2<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"4369\"><p><span data-contrast=\"none\">Importante<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"4369\"><p><span data-contrast=\"none\">Upgrade to 6.2.4-25556-4 or above.<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><\/tr><tr aria-rowindex=\"4\"><td data-celllook=\"4369\"><p><span data-contrast=\"none\">DSMUC 3.1<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"4369\"><p><span data-contrast=\"none\">No afectada<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"4369\"><p><span data-contrast=\"none\">N\/A<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><\/tr><tr aria-rowindex=\"5\"><td data-celllook=\"4369\"><p><span data-contrast=\"none\">VS960HD<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"4369\"><p><span data-contrast=\"none\">No afectada<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"4369\"><p><span data-contrast=\"none\">N\/A<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><\/tr><tr aria-rowindex=\"6\"><td data-celllook=\"4369\"><p><span data-contrast=\"none\">SRM 1.2<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><td data-celllook=\"4369\"><p><span data-contrast=\"none\">No afectada<\/span><\/p><\/td><td data-celllook=\"4369\"><p><span data-contrast=\"none\">N\/A<\/span><span data-ccp-props='{\"201341983\":0,\"335551550\":1,\"335551620\":1,\"335559740\":259}'>&nbsp;<\/span><\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c8f207 elementor-widget elementor-widget-text-editor\" data-id=\"3c8f207\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span data-contrast=\"auto\">Samba tambi&eacute;n anunci<\/span><span data-contrast=\"auto\">&oacute; <\/span><span data-contrast=\"auto\">que esta vulnerabilidad afecta a todas las versiones de Samba anteriores a la 4.13.17. Adem&aacute;s, se han publicado comunicados de seguridad para corregir dicha brecha para Samba 4.13.17, 4.14.12 y 4.15.5, aconsejando a los administradores que actualicen estas versiones y apliquen el parche inmediatamente.<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/p><p><span data-contrast=\"auto\">Samba tambi&eacute;n ha aconsejado eliminar el m&oacute;dulo fruit VFS de las l&iacute;neas de objetos vfs como soluci&oacute;n.<\/span><span data-ccp-props=\"{\">&nbsp;<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>El SOC de Infordisa ha reportado varias violaciones de seguridad por ataques de tipo ransomware a diferentes organizaciones. Los ataques<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[4],"tags":[127,147],"class_list":["post-4971","post","type-post","status-publish","format-standard","hentry","category-alertas-de-seguridad","tag-synology","tag-vulnerabilidad","masonry-post","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-25"],"acf":[],"yoast_head":"<title>Vulnerabilidad CVE-2021-44142 explotada en sistemas NAS de Synology - INFORDISA \/ Security Operations Center<\/title>\n<meta name=\"description\" content=\"Ataques en las \u00faltimas horas de forma coordinada y afectadondo concretamente a varios sistemas NAS de Synology.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.infordisa.com\/soc\/vulnerabilidad-cve-2021-44142-explotada-en-sistemas-nas-de-synology\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vulnerabilidad CVE-2021-44142 explotada en sistemas NAS de Synology - 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