Lỗ hổng Zero-day là gì? Thế nào là CVE?

{"success":true,"head":"<title>Lỗ hổng Zero-day là gì? CVE là gì?</title>\n<meta name=\"description\" content=\"Zero-day là gì? Lỗ hổng Zero-day (0-day vulnerabilities) là những lỗ hổng phần mềm chưa được công bố mà nhà cung cấp phần mềm chưa biết đến.\"/>\n<meta name=\"robots\" content=\"nofollow, noindex\"/>\n<meta property=\"og:locale\" content=\"en_US\" />\n<meta property=\"og:type\" content=\"article\" />\n<meta property=\"og:title\" content=\"Lỗ hổng Zero-day là gì? CVE là gì?\" />\n<meta property=\"og:description\" content=\"Zero-day là gì? Lỗ hổng Zero-day (0-day vulnerabilities) là những lỗ hổng phần mềm chưa được công bố mà nhà cung cấp phần mềm chưa biết đến.\" />\n<meta property=\"og:url\" content=\"https://blog.cystack.org/vi/blog/2025/09/18/zero-day-la-gi-cve-la-gi/\" />\n<meta property=\"og:site_name\" content=\"CyStack Blog\" />\n<meta property=\"article:author\" content=\"CEO@CyStack\" />\n<meta property=\"article:tag\" content=\"an ninh mạng\" />\n<meta property=\"article:tag\" content=\"Bảo mật website\" />\n<meta property=\"article:tag\" content=\"lỗ hổng\" />\n<meta property=\"article:tag\" content=\"lỗ hổng bảo mật\" />\n<meta property=\"article:tag\" content=\"vi\" />\n<meta property=\"article:section\" content=\"Đánh giá bảo mật\" />\n<meta property=\"og:updated_time\" content=\"2026-05-06T18:40:22+07:00\" />\n<meta property=\"og:image\" content=\"https://s.cystack.net/resource/home/content/05143647/black_market-01-768x431.png\" />\n<meta property=\"og:image:secure_url\" content=\"https://s.cystack.net/resource/home/content/05143647/black_market-01-768x431.png\" />\n<meta property=\"og:image:width\" content=\"768\" />\n<meta property=\"og:image:height\" content=\"431\" />\n<meta property=\"og:image:alt\" content=\"zero-day\" />\n<meta property=\"og:image:type\" content=\"image/png\" />\n<meta property=\"article:published_time\" content=\"2025-09-18T10:12:52+07:00\" />\n<meta property=\"article:modified_time\" content=\"2026-05-06T18:40:22+07:00\" />\n<meta name=\"twitter:card\" content=\"summary_large_image\" />\n<meta name=\"twitter:title\" content=\"Lỗ hổng Zero-day là gì? CVE là gì?\" />\n<meta name=\"twitter:description\" content=\"Zero-day là gì? Lỗ hổng Zero-day (0-day vulnerabilities) là những lỗ hổng phần mềm chưa được công bố mà nhà cung cấp phần mềm chưa biết đến.\" />\n<meta name=\"twitter:image\" content=\"https://s.cystack.net/resource/home/content/05143647/black_market-01-768x431.png\" />\n<meta name=\"twitter:label1\" content=\"Written by\" />\n<meta name=\"twitter:data1\" content=\"Trung Nguyen\" />\n<meta name=\"twitter:label2\" content=\"Time to read\" />\n<meta name=\"twitter:data2\" content=\"10 minutes\" />\n<script type=\"application/ld+json\" class=\"rank-math-schema\">{\"@context\":\"https://schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https://blog.cystack.org/#organization\",\"name\":\"CyStack\",\"url\":\"https://blog.cystack.org\"},{\"@type\":\"WebSite\",\"@id\":\"https://blog.cystack.org/#website\",\"url\":\"https://blog.cystack.org\",\"name\":\"CyStack\",\"publisher\":{\"@id\":\"https://blog.cystack.org/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https://s.cystack.net/resource/home/content/05143647/black_market-01.png\",\"url\":\"https://s.cystack.net/resource/home/content/05143647/black_market-01.png\",\"width\":\"5933\",\"height\":\"3333\",\"inLanguage\":\"en-US\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https://blog.cystack.org/vi/blog/2025/09/18/zero-day-la-gi-cve-la-gi/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":\"1\",\"item\":{\"@id\":\"https://blog.cystack.org\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"position\":\"2\",\"item\":{\"@id\":\"https://blog.cystack.org/vi/blog/2025/09/18/zero-day-la-gi-cve-la-gi/\",\"name\":\"L\\u1ed7 h\\u1ed5ng Zero-day l\\u00e0 g\\u00ec? Th\\u1ebf n\\u00e0o l\\u00e0 CVE?\"}}]},{\"@type\":\"WebPage\",\"@id\":\"https://blog.cystack.org/vi/blog/2025/09/18/zero-day-la-gi-cve-la-gi/#webpage\",\"url\":\"https://blog.cystack.org/vi/blog/2025/09/18/zero-day-la-gi-cve-la-gi/\",\"name\":\"L\\u1ed7 h\\u1ed5ng Zero-day l\\u00e0 g\\u00ec? CVE l\\u00e0 g\\u00ec?\",\"datePublished\":\"2025-09-18T10:12:52+07:00\",\"dateModified\":\"2026-05-06T18:40:22+07:00\",\"isPartOf\":{\"@id\":\"https://blog.cystack.org/#website\"},\"primaryImageOfPage\":{\"@id\":\"https://s.cystack.net/resource/home/content/05143647/black_market-01.png\"},\"inLanguage\":\"en-US\",\"breadcrumb\":{\"@id\":\"https://blog.cystack.org/vi/blog/2025/09/18/zero-day-la-gi-cve-la-gi/#breadcrumb\"}},{\"@type\":\"Person\",\"@id\":\"https://blog.cystack.org/author/trungnh/\",\"name\":\"Trung Nguyen\",\"url\":\"https://blog.cystack.org/author/trungnh/\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https://secure.gravatar.com/avatar/5e1e19d9b81295eeafdbc4175f18cc5b99a688411b0b5a2189c63881dff568b1?s=96&amp;d=mm&amp;r=g\",\"url\":\"https://secure.gravatar.com/avatar/5e1e19d9b81295eeafdbc4175f18cc5b99a688411b0b5a2189c63881dff568b1?s=96&amp;d=mm&amp;r=g\",\"caption\":\"Trung Nguyen\",\"inLanguage\":\"en-US\"},\"sameAs\":[\"CEO@CyStack\"],\"worksFor\":{\"@id\":\"https://blog.cystack.org/#organization\"}},{\"@type\":\"BlogPosting\",\"headline\":\"L\\u1ed7 h\\u1ed5ng Zero-day l\\u00e0 g\\u00ec? CVE l\\u00e0 g\\u00ec?\",\"keywords\":\"zero-day, l\\u1ed7 h\\u1ed5ng zero-day\",\"datePublished\":\"2025-09-18T10:12:52+07:00\",\"dateModified\":\"2026-05-06T18:40:22+07:00\",\"author\":{\"@id\":\"https://blog.cystack.org/author/trungnh/\",\"name\":\"Trung Nguyen\"},\"publisher\":{\"@id\":\"https://blog.cystack.org/#organization\"},\"description\":\"Zero-day l\\u00e0 g\\u00ec? L\\u1ed7 h\\u1ed5ng Zero-day (0-day vulnerabilities) l\\u00e0 nh\\u1eefng l\\u1ed7 h\\u1ed5ng ph\\u1ea7n m\\u1ec1m ch\\u01b0a \\u0111\\u01b0\\u1ee3c c\\u00f4ng b\\u1ed1 m\\u00e0 nh\\u00e0 cung c\\u1ea5p ph\\u1ea7n m\\u1ec1m ch\\u01b0a bi\\u1ebft \\u0111\\u1ebfn.\",\"name\":\"L\\u1ed7 h\\u1ed5ng Zero-day l\\u00e0 g\\u00ec? CVE l\\u00e0 g\\u00ec?\",\"@id\":\"https://blog.cystack.org/vi/blog/2025/09/18/zero-day-la-gi-cve-la-gi/#richSnippet\",\"isPartOf\":{\"@id\":\"https://blog.cystack.org/vi/blog/2025/09/18/zero-day-la-gi-cve-la-gi/#webpage\"},\"image\":{\"@id\":\"https://s.cystack.net/resource/home/content/05143647/black_market-01.png\"},\"inLanguage\":\"en-US\",\"mainEntityOfPage\":{\"@id\":\"https://blog.cystack.org/vi/blog/2025/09/18/zero-day-la-gi-cve-la-gi/#webpage\"}}]}</script>\n"}