{"id":36180,"date":"2025-05-08T01:39:42","date_gmt":"2025-05-08T01:39:42","guid":{"rendered":""},"modified":"2025-05-18T11:02:14","modified_gmt":"2025-05-18T11:02:14","slug":"cve-2025-30391-microsoft-dynamics-input-validation-vulnerability-leading-to-unauthorized-information-disclosure","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-30391-microsoft-dynamics-input-validation-vulnerability-leading-to-unauthorized-information-disclosure\/","title":{"rendered":"<strong>CVE-2025-30391: Microsoft Dynamics Input Validation Vulnerability Leading to Unauthorized Information Disclosure<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the realm of cybersecurity, every potential point of unauthorized access or data leakage is a matter of grave concern. This blog post focuses on one such vulnerability, CVE-2025-30391, found within the popular business application software, Microsoft Dynamics. This critical flaw, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47663-unauthenticated-remote-attacker-gaining-full-access-due-to-improper-json-web-tokens-implementation\/\"  data-wpil-monitor-id=\"41642\">due to improper<\/a> input validation, could allow an unauthorized attacker to disclose sensitive information over a network. Companies relying on Microsoft Dynamics need to be aware of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3906-unauthorized-data-modification-vulnerability-in-wordpress-eduzz-and-woocommerce-plugin\/\"  data-wpil-monitor-id=\"40907\">vulnerability and the potential for system compromise or data<\/a> leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-30391<br \/>\nSeverity: High, CVSS score of 8.1<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Unauthorized information disclosure, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-40367-critical-vulnerability-in-syngo-fastview-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"40936\">potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-513368215\" 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>Microsoft Dynamics | All versions up to and including the latest version at the time of discovery<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability stems from a flaw in the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-20654-microsoft-odbc-driver-remote-code-execution-vulnerability-a-high-level-threat\/\"  data-wpil-monitor-id=\"41328\">input validation<\/a> process of Microsoft Dynamics. An attacker can craft a malicious payload that is embedded in a seemingly benign request. This payload, when processed by the vulnerable software, triggers the vulnerability, allowing the attacker to gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25777-unauthorized-user-profile-access-in-codeastro-bus-ticket-booking-system\/\"  data-wpil-monitor-id=\"41346\">unauthorized access<\/a> to sensitive information over the network. Without the need for any user interaction or privilege escalation, this exploit can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-34322-inadequate-precaution-in-xen-s-shadow-paging-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"40966\">lead to a potentially devastating system<\/a> compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-275087578\" 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>Here is a conceptual example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47154-exploitation-of-use-after-free-vulnerability-in-libjs-in-ladybird\/\"  data-wpil-monitor-id=\"42539\">vulnerability might be exploited<\/a>. This is a hypothetical HTTP request containing a malicious payload:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/dynamics\/api\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;malicious_payload&quot;: &quot;&lt;script&gt;...&lt;\/script&gt;&quot; }<\/code><\/pre>\n<p>In this example, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-35996-cross-site-scripting-attack-in-kunbus-pictory\/\"  data-wpil-monitor-id=\"42846\">attacker has embedded a malicious script<\/a> within the payload of the request. Once the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1305-cross-site-request-forgery-csrf-vulnerability-in-newsblogger-wordpress-theme\/\"  data-wpil-monitor-id=\"42538\">request is processed by the vulnerable<\/a> endpoint, the malicious script can be executed, leading to unauthorized information disclosure.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Until a patch is issued by the vendor, the mitigation strategy against this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46616-arbitrary-remote-code-execution-vulnerability-in-quantum-stornext-web-gui-api\/\"  data-wpil-monitor-id=\"40883\">vulnerability includes using a Web<\/a> Application Firewall (WAF) or an Intrusion Detection System (IDS) to monitor incoming network traffic and detect any malicious payloads. Furthermore, it is recommended to regularly monitor and update the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20188-cisco-ios-xe-software-for-wireless-lan-controllers-security-vulnerability\/\"  data-wpil-monitor-id=\"44079\">software to ensure its security<\/a>.<br \/>\nIn conclusion, CVE-2025-30391 is a severe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39470-path-traversal-vulnerability-in-thimpress-ivy-school-leading-to-php-local-file-inclusion\/\"  data-wpil-monitor-id=\"40894\">vulnerability within Microsoft Dynamics that could potentially lead<\/a> to unauthorized information disclosure and system compromise. Organizations using this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0984-critical-file-upload-and-xss-vulnerability-in-netoloji-software-e-flow\/\"  data-wpil-monitor-id=\"43976\">software should take immediate steps to mitigate this vulnerability<\/a> until a patch is available.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the realm of cybersecurity, every potential point of unauthorized access or data leakage is a matter of grave concern. This blog post focuses on one such vulnerability, CVE-2025-30391, found within the popular business application software, Microsoft Dynamics. This critical flaw, due to improper input validation, could allow an unauthorized attacker to disclose sensitive [&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":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-36180","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-microsoft","attack_vector-privilege-escalation"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/36180","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=36180"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/36180\/revisions"}],"predecessor-version":[{"id":39451,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/36180\/revisions\/39451"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=36180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=36180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=36180"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=36180"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=36180"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=36180"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=36180"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=36180"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=36180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}