{"id":27300,"date":"2019-05-01T21:38:00","date_gmt":"2019-05-01T21:38:00","guid":{"rendered":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/"},"modified":"2019-05-01T21:38:00","modified_gmt":"2019-05-01T21:38:00","slug":"cisco-issues-critical-security-warning-for-nexus-data-center-switches","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/","title":{"rendered":"Cisco issues critical security warning for Nexus data-center switches"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/images.idgesg.net\/images\/article\/2018\/02\/lock_broken_unlocked_binary_code_security_circuits_protection_privacy_thinkstock_873916354-100750739-large.3x2.jpg\" class=\"ff-og-image-inserted\"><\/div>\n<p>Cisco issued some 40 security advisories today but only one of them was deemed \u201c<a href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-20190501-nexus9k-sshkey\" rel=\"nofollow\">critical<\/a>\u201d&nbsp;\u2013 a vulnerability in the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode data-center switch that could let an attacker secretly access system resources.<\/p>\n<p>The exposure, which was given a Common Vulnerability Scoring System importance of 9.8 out of 10, is described as a problem with secure shell (SSH) key-management for the Cisco Nexus 9000 that lets a remote attacker to connect to the affected system with the privileges of a root user, Cisco said.<\/p>\n<aside class=\"fakesidebar\"><strong>[ Read also: <a href=\"https:\/\/www.networkworld.com\/article\/3284352\/data-center\/how-to-plan-a-software-defined-data-center-network.html\">How to plan a software-defined data-center network<\/a> ]<\/strong><\/aside>\n<p>\u201cThe vulnerability is due to the presence of a default SSH key pair that is present in all devices. An attacker could exploit this vulnerability by opening an SSH connection via IPv6 to a targeted device using the extracted key materials. This vulnerability is only exploitable over IPv6; IPv4 is not vulnerable,&#8221; Cisco wrote.<\/p>\n<p>This vulnerability affects Nexus 9000s if they are running a Cisco NX-OS software&nbsp;release prior to&nbsp;14.1, and the company said there were no workarounds to address the problem.&nbsp; &nbsp;<\/p>\n<p>However, Cisco has <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/about\/legal\/cloud-and-software\/end_user_license_agreement.html\" rel=\"nofollow\">released free software updates<\/a> that address the vulnerability.<\/p>\n<p>The company also issued a \u201chigh\u201d security warning advisory for the Nexus 9000 that involves an exploit that would let attackers execute arbitrary operating-system commands as root on an affected device. To succeed, an attacker would need valid administrator credentials for the device, Cisco said.&nbsp;<\/p>\n<aside class=\"nativo-promo nativo-promo-1 smartphone\" id><\/aside>\n<p>The vulnerability is due to overly broad system-file permissions, <a href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-20190501-nexus9k-rpe\" rel=\"nofollow\">Cisco wrote<\/a>. &nbsp;An attacker could exploit this vulnerability by authenticating to an affected device, creating a crafted command string and writing this crafted string to a specific file location.<\/p>\n<aside id=\"fsb-2599\" class=\"fakesidebar fakesidebar-auto fakesidebar-sponsored\"><strong>[ <a href=\"https:\/\/pluralsight.pxf.io\/c\/321564\/424552\/7490?u=https%3A%2F%2Fwww.pluralsight.com%2Fpaths%2Fcertified-information-systems-security-professional-cisspr\" rel=\"nofollow\">Prepare to become a Certified Information Security Systems Professional with this comprehensive online course from PluralSight. Now offering a 10-day free trial!<\/a> ]<\/strong><\/aside>\n<p>Cisco has released software updates that address this vulnerability.<\/p>\n<aside class=\"nativo-promo nativo-promo-1 tablet desktop\" id><\/aside>\n<p>Two other vulneraries rated \u201chigh\u201d also involved the Nexus 9000:<\/p>\n<ul>\n<li><a href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-20190501-aci-hw-clock-util\" rel=\"nofollow\">A vulnerability<\/a> in the background-operations functionality of Cisco Nexus 9000 software could allow an authenticated, local attacker to gain elevated privileges as root on an affected device. The vulnerability is due to insufficient validation of user-supplied files on an affected device. Cisco said an attacker could exploit this vulnerability by logging in to the CLI of the affected device and creating a crafted file in a specific directory on the filesystem.<\/li>\n<li>A <a href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-20190501-aci-hw-clock-util\" rel=\"nofollow\">weakness<\/a> in the background-operations functionality of the switch software could allow an attacker to login to the CLI of the affected device and create a crafted file in a specific directory on the filesystem. The vulnerability is due to insufficient validation of user-supplied files on an affected device, Cisco said.<\/li>\n<\/ul>\n<p>Cisco has <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/about\/legal\/cloud-and-software\/end_user_license_agreement.html\" rel=\"nofollow\">released software<\/a> for these vulnerabilities as well.<\/p>\n<p>Also part of these security alerts were a number of \u201chigh\u201d rated warnings about vulneraries in Cisco\u2019s FirePower firewall series.<\/p>\n<p>For example Cisco <a href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-20190501-frpwr-smb-snort\" rel=\"nofollow\">wrote<\/a> that multiple vulnerabilities in the Server Message Block Protocol preprocessor detection engine for Cisco&nbsp;Firepower Threat Defense Software could allow an unauthenticated, adjacent or remote attacker to cause a denial of service (DoS) condition.<\/p>\n<aside class=\"nativo-promo nativo-promo-2 tablet desktop smartphone\" id><\/aside>\n<p>Yet <a href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-20190501-frpwr-dos\" rel=\"nofollow\">another vulnerability<\/a> in the internal packet-processing functionality of Cisco Firepower software for the Cisco Firepower 2100 Series could let an unauthenticated, remote attacker cause an affected device to stop processing traffic, resulting in a DOS situation, Cisco said.<\/p>\n<p><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/about\/legal\/cloud-and-software\/end_user_license_agreement.html\" rel=\"nofollow\">Software patches<\/a> are available for these vulnerabilities.&nbsp;<\/p>\n<p>Other products such as the Cisco <a href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-20190501-asa-ipsec-dos\" rel=\"nofollow\">Adaptive Security Virtual Appliance<\/a>, and <a href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-20190501-wsa-privesc\" rel=\"nofollow\">Web Security appliance<\/a> had high priority patches as well.<\/p>\n<div class=\"end-note\">\n<div id class=\"blx blxParticleendnote blxM2005 blox4_html blxC23909\">Join the Network World communities on <a href=\"https:\/\/www.facebook.com\/NetworkWorld\/\" target=\"_blank\" rel=\"noopener noreferrer\">Facebook<\/a> and <a href=\"https:\/\/www.linkedin.com\/company\/network-world\" target=\"_blank\" rel=\"noopener noreferrer\">LinkedIn<\/a> to comment on topics that are top of mind.<\/div>\n<\/div>\n<p>READ MORE <a href=\"https:\/\/www.networkworld.com\/article\/3392858\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.html#tk.rss_security\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\nCisco issued some 40 security advisories today but only one of them was deemed \u201ccritical\u201d\u00a0\u2013 a vulnerability in the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode data-center switch that could let an attacker secretly access system resources.The exposure, which was given a Common Vulnerability Scoring System importance of 9.8 out of 10, is described as a problem with secure shell (SSH) key-management for the Cisco Nexus 9000 that lets a remote attacker to connect to the affected system with the privileges of a root user, Cisco said.To read this article in full, please click here READ MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":27301,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[738],"tags":[812,307],"class_list":["post-27300","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-networkworld","tag-data-center","tag-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cisco issues critical security warning for Nexus data-center switches 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\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.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cisco issues critical security warning for Nexus data-center switches 2026 | ThreatsHub Cybersecurity News\" \/>\n<meta property=\"og:description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/\" \/>\n<meta property=\"og:site_name\" content=\"ThreatsHub Cybersecurity News\" \/>\n<meta property=\"article:published_time\" content=\"2019-05-01T21:38:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.threatshub.org\/blog\/coredata\/uploads\/2019\/06\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"TH Author\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@threatshub\" \/>\n<meta name=\"twitter:site\" content=\"@threatshub\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TH Author\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/\"},\"author\":{\"name\":\"TH Author\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#\\\/schema\\\/person\\\/12e0a8671ff89a863584f193e7062476\"},\"headline\":\"Cisco issues critical security warning for Nexus data-center switches\",\"datePublished\":\"2019-05-01T21:38:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/\"},\"wordCount\":602,\"publisher\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.jpg\",\"keywords\":[\"Data Center\",\"Security\"],\"articleSection\":[\"Networkworld\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/\",\"url\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/\",\"name\":\"Cisco issues critical security warning for Nexus data-center switches 2026 | ThreatsHub Cybersecurity News\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.jpg\",\"datePublished\":\"2019-05-01T21:38:00+00:00\",\"description\":\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security & Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.jpg\",\"contentUrl\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.jpg\",\"width\":1200,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Data Center\",\"item\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/tag\\\/data-center\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cisco issues critical security warning for Nexus data-center switches\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/\",\"name\":\"ThreatsHub Cybersecurity News\",\"description\":\"%%focuskw%% Threat Intel \u2013 Threat Intel Services \u2013 CyberIntelligence \u2013 Cyber Threat Intelligence - Threat Intelligence Feeds - Threat Intelligence Reports - CyberSecurity Report \u2013 Cyber Security PDF \u2013 Cybersecurity Trends - Cloud Sandbox \u2013- Threat IntelligencePortal \u2013 Incident Response \u2013 Threat Hunting \u2013 IOC - Yara - Security Operations Center \u2013 SecurityOperation Center \u2013 Security SOC \u2013 SOC Services - Advanced Threat - Threat Detection - TargetedAttack \u2013 APT \u2013 Anti-APT \u2013 Advanced Protection \u2013 Cyber Security Services \u2013 Cybersecurity Services -Threat Intelligence Platform\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#organization\"},\"alternateName\":\"Threatshub.org\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#organization\",\"name\":\"ThreatsHub.org\",\"alternateName\":\"Threatshub.org\",\"url\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/Threatshub_Favicon1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/Threatshub_Favicon1.jpg\",\"width\":432,\"height\":435,\"caption\":\"ThreatsHub.org\"},\"image\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/x.com\\\/threatshub\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#\\\/schema\\\/person\\\/12e0a8671ff89a863584f193e7062476\",\"name\":\"TH Author\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g\",\"caption\":\"TH Author\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Cisco issues critical security warning for Nexus data-center switches 2026 | ThreatsHub Cybersecurity News","description":"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security & Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/","og_locale":"en_US","og_type":"article","og_title":"Cisco issues critical security warning for Nexus data-center switches 2026 | ThreatsHub Cybersecurity News","og_description":"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security & Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.","og_url":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/","og_site_name":"ThreatsHub Cybersecurity News","article_published_time":"2019-05-01T21:38:00+00:00","og_image":[{"width":1200,"height":800,"url":"https:\/\/www.threatshub.org\/blog\/coredata\/uploads\/2019\/06\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.jpg","type":"image\/jpeg"}],"author":"TH Author","twitter_card":"summary_large_image","twitter_creator":"@threatshub","twitter_site":"@threatshub","twitter_misc":{"Written by":"TH Author","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/#article","isPartOf":{"@id":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/"},"author":{"name":"TH Author","@id":"https:\/\/www.threatshub.org\/blog\/#\/schema\/person\/12e0a8671ff89a863584f193e7062476"},"headline":"Cisco issues critical security warning for Nexus data-center switches","datePublished":"2019-05-01T21:38:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/"},"wordCount":602,"publisher":{"@id":"https:\/\/www.threatshub.org\/blog\/#organization"},"image":{"@id":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/#primaryimage"},"thumbnailUrl":"https:\/\/www.threatshub.org\/blog\/coredata\/uploads\/2019\/06\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.jpg","keywords":["Data Center","Security"],"articleSection":["Networkworld"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/","url":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/","name":"Cisco issues critical security warning for Nexus data-center switches 2026 | ThreatsHub Cybersecurity News","isPartOf":{"@id":"https:\/\/www.threatshub.org\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/#primaryimage"},"image":{"@id":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/#primaryimage"},"thumbnailUrl":"https:\/\/www.threatshub.org\/blog\/coredata\/uploads\/2019\/06\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.jpg","datePublished":"2019-05-01T21:38:00+00:00","description":"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security & Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.","breadcrumb":{"@id":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/#primaryimage","url":"https:\/\/www.threatshub.org\/blog\/coredata\/uploads\/2019\/06\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.jpg","contentUrl":"https:\/\/www.threatshub.org\/blog\/coredata\/uploads\/2019\/06\/cisco-issues-critical-security-warning-for-nexus-data-center-switches.jpg","width":1200,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/www.threatshub.org\/blog\/cisco-issues-critical-security-warning-for-nexus-data-center-switches\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.threatshub.org\/blog\/"},{"@type":"ListItem","position":2,"name":"Data Center","item":"https:\/\/www.threatshub.org\/blog\/tag\/data-center\/"},{"@type":"ListItem","position":3,"name":"Cisco issues critical security warning for Nexus data-center switches"}]},{"@type":"WebSite","@id":"https:\/\/www.threatshub.org\/blog\/#website","url":"https:\/\/www.threatshub.org\/blog\/","name":"ThreatsHub Cybersecurity News","description":"%%focuskw%% Threat Intel \u2013 Threat Intel Services \u2013 CyberIntelligence \u2013 Cyber Threat Intelligence - Threat Intelligence Feeds - Threat Intelligence Reports - CyberSecurity Report \u2013 Cyber Security PDF \u2013 Cybersecurity Trends - Cloud Sandbox \u2013- Threat IntelligencePortal \u2013 Incident Response \u2013 Threat Hunting \u2013 IOC - Yara - Security Operations Center \u2013 SecurityOperation Center \u2013 Security SOC \u2013 SOC Services - Advanced Threat - Threat Detection - TargetedAttack \u2013 APT \u2013 Anti-APT \u2013 Advanced Protection \u2013 Cyber Security Services \u2013 Cybersecurity Services -Threat Intelligence Platform","publisher":{"@id":"https:\/\/www.threatshub.org\/blog\/#organization"},"alternateName":"Threatshub.org","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.threatshub.org\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.threatshub.org\/blog\/#organization","name":"ThreatsHub.org","alternateName":"Threatshub.org","url":"https:\/\/www.threatshub.org\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.threatshub.org\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.threatshub.org\/blog\/coredata\/uploads\/2025\/05\/Threatshub_Favicon1.jpg","contentUrl":"https:\/\/www.threatshub.org\/blog\/coredata\/uploads\/2025\/05\/Threatshub_Favicon1.jpg","width":432,"height":435,"caption":"ThreatsHub.org"},"image":{"@id":"https:\/\/www.threatshub.org\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/threatshub"]},{"@type":"Person","@id":"https:\/\/www.threatshub.org\/blog\/#\/schema\/person\/12e0a8671ff89a863584f193e7062476","name":"TH Author","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g","caption":"TH Author"}}]}},"_links":{"self":[{"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/posts\/27300","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/comments?post=27300"}],"version-history":[{"count":0,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/posts\/27300\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/media\/27301"}],"wp:attachment":[{"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/media?parent=27300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/categories?post=27300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/tags?post=27300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}