{"id":20782,"date":"2024-11-04T10:07:08","date_gmt":"2024-11-04T13:07:08","guid":{"rendered":"https:\/\/ostec.blog\/?p=20782"},"modified":"2024-11-04T10:07:08","modified_gmt":"2024-11-04T13:07:08","slug":"cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility","status":"publish","type":"post","link":"https:\/\/ostec.blog\/es\/generico\/cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility\/","title":{"rendered":"CVE-2024-20439: Vulnerabilidad en Cisco Smart Licensing Utility"},"content":{"rendered":"<p>La vulnerabilidad CVE-2024-20439 afecta a Cisco Smart Licensing Utility, una herramienta utilizada para administrar licencias de productos de Cisco como switches, enrutadores y firewalls. Esta falla cr\u00edtica est\u00e1 asociada con el uso de credenciales codificadas y la presencia de funcionalidades ocultas en el sistema, lo que podr\u00eda permitir a los atacantes comprometer la seguridad de las redes que utilizan el software.<\/p>\n<p>La explotaci\u00f3n exitosa de esta vulnerabilidad podr\u00eda permitir que una persona malintencionada inicie sesi\u00f3n en el sistema afectado con privilegios administrativos sobre la API de la aplicaci\u00f3n Cisco Smart Licensing Utility.<\/p>\n<h2>Productos afectados<\/h2>\n<p>Los dispositivos que utilizan versiones obsoletas de Cisco Smart Licensing Utility son vulnerables, espec\u00edficamente aquellos que ejecutan versiones anteriores al parche de correcci\u00f3n lanzado en septiembre de 2024. La falla se puede explotar de forma remota sin necesidad de autenticaci\u00f3n.<\/p>\n<h2>Gravedad de la vulnerabilidad<\/h2>\n<p>Con una puntuaci\u00f3n CVSS de 9,8, CVE-2024-20439 se considera cr\u00edtica. La principal amenaza asociada es la capacidad de un atacante de obtener acceso privilegiado al sistema afectado, comprometiendo as\u00ed el control sobre la gesti\u00f3n de licencias, lo que puede impactar directamente en la seguridad y continuidad de las operaciones de la organizaci\u00f3n.<\/p>\n<h2>C\u00f3mo funciona CVE-2024-20439<\/h2>\n<p>Esta vulnerabilidad est\u00e1 relacionada con dos debilidades principales: el uso de credenciales codificadas y funcionalidades ocultas.<\/p>\n<p>CVE-2024-20439 se produce debido al uso de credenciales codificadas en Cisco Smart Licensing Utility, es decir, contrase\u00f1as e informaci\u00f3n de inicio de sesi\u00f3n codificadas e integradas directamente en el c\u00f3digo del software. Esto facilita la explotaci\u00f3n, ya que los atacantes pueden descubrir estas credenciales y utilizarlas para obtener acceso administrativo al sistema, incluso sin necesidad de autenticaci\u00f3n previa. El uso de credenciales codificadas es una pr\u00e1ctica insegura que compromete la integridad del sistema y puede explotarse para controlar o deshabilitar licencias de productos.<\/p>\n<p>La vulnerabilidad tambi\u00e9n implica la presencia de una funcionalidad oculta, donde existe una cuenta administrativa indocumentada. Esto significa que el sistema tiene una cuenta administrativa, desconocida para el administrador, lo que facilita la explotaci\u00f3n por parte de los atacantes. Pueden usar esta cuenta oculta para acceder al sistema con privilegios elevados sin ser detectados f\u00e1cilmente.<\/p>\n<h2>Necesidad de correcci\u00f3n<\/h2>\n<p>Dada la importancia de esta vulnerabilidad, es fundamental que todas las organizaciones que utilizan Cisco Smart Licensing Utility apliquen inmediatamente los parches proporcionados por Cisco. La empresa ha lanzado actualizaciones de seguridad que eliminan el uso de credenciales est\u00e1ticas y fortalecen los mecanismos de autenticaci\u00f3n en el software. La aplicaci\u00f3n de estos parches es fundamental para prevenir posibles exploits y proteger la infraestructura de la empresa.<\/p>\n<p>Cisco ha puesto a disposici\u00f3n m\u00e1s detalles e instrucciones de soluci\u00f3n espec\u00edficas en su <a href=\"https:\/\/sec.cloudapps.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-cslu-7gHMzWmw\">Aviso de seguridad de Cisco<\/a>, que debe seguirse estrictamente para garantizar una protecci\u00f3n adecuada contra esta amenaza.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La vulnerabilidad CVE-2024-20439 afecta a Cisco Smart Licensing Utility, una herramienta utilizada para administrar licencias de productos de Cisco como switches, enrutadores y firewalls. Esta falla cr\u00edtica est\u00e1 asociada con el uso de credenciales codificadas y la presencia de funcionalidades ocultas en el sistema, lo que podr\u00eda permitir a los atacantes comprometer la seguridad de [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":20774,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1019],"tags":[1778],"class_list":["post-20782","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-generico","tag-cve-es"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CVE-2024-20439: Vulnerabilidad en Cisco Smart Licensing Utility - OSTEC | Seguran\u00e7a digital de resultados<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ostec.blog\/es\/generico\/cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CVE-2024-20439: Vulnerabilidad en Cisco Smart Licensing Utility - OSTEC | Seguran\u00e7a digital de resultados\" \/>\n<meta property=\"og:description\" content=\"La vulnerabilidad CVE-2024-20439 afecta a Cisco Smart Licensing Utility, una herramienta utilizada para administrar licencias de productos de Cisco como switches, enrutadores y firewalls. Esta falla cr\u00edtica est\u00e1 asociada con el uso de credenciales codificadas y la presencia de funcionalidades ocultas en el sistema, lo que podr\u00eda permitir a los atacantes comprometer la seguridad de [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ostec.blog\/es\/generico\/cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility\/\" \/>\n<meta property=\"og:site_name\" content=\"OSTEC | Seguran\u00e7a digital de resultados\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ostec\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-04T13:07:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ostec.blog\/wp-content\/uploads\/2024\/10\/CVE-2024-20439.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"928\" \/>\n\t<meta property=\"og:image:height\" content=\"534\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alejandra Villanueva\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ostecsecurity\" \/>\n<meta name=\"twitter:site\" content=\"@ostecsecurity\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/ostec.blog\/es\/generico\/cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/ostec.blog\/es\/generico\/cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility\/\"},\"author\":{\"name\":\"Alejandra Villanueva\",\"@id\":\"https:\/\/ostec.blog\/#\/schema\/person\/882afa77ea19c38d090f993830060c3c\"},\"headline\":\"CVE-2024-20439: Vulnerabilidad en Cisco Smart Licensing Utility\",\"datePublished\":\"2024-11-04T13:07:08+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/ostec.blog\/es\/generico\/cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility\/\"},\"wordCount\":490,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/ostec.blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/ostec.blog\/es\/generico\/cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/ostec.blog\/wp-content\/uploads\/2024\/10\/CVE-2024-20439.jpg\",\"keywords\":[\"cve\"],\"articleSection\":[\"Gen\u00e9rico\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/ostec.blog\/es\/generico\/cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ostec.blog\/es\/generico\/cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility\/\",\"url\":\"https:\/\/ostec.blog\/es\/generico\/cve-2024-20439-vulnerabilidad-en-cisco-smart-licensing-utility\/\",\"name\":\"CVE-2024-20439: Vulnerabilidad en Cisco Smart Licensing Utility - 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