{"id":54795,"date":"2025-06-24T14:40:27","date_gmt":"2025-06-24T14:40:27","guid":{"rendered":""},"modified":"2025-10-02T00:14:47","modified_gmt":"2025-10-02T06:14:47","slug":"cve-2025-49217-critical-pre-authentication-remote-code-execution-vulnerability-in-trend-micro-endpoint-encryption-policyserver","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49217-critical-pre-authentication-remote-code-execution-vulnerability-in-trend-micro-endpoint-encryption-policyserver\/","title":{"rendered":"<strong>CVE-2025-49217: Critical Pre-Authentication Remote Code Execution Vulnerability in Trend Micro Endpoint Encryption PolicyServer<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In this post, we are discussing a major cybersecurity vulnerability, identified as CVE-2025-49217, that impacts Trend Micro Endpoint Encryption PolicyServer. This is a highly critical vulnerability, as it allows attackers to execute malicious code on affected installations without requiring any prior authentication. Given the widespread usage of Trend Micro&#8217;s Endpoint Encryption PolicyServer in businesses around the globe, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28389-critical-security-vulnerability-in-openc3-cosmos-v6-0-0-due-to-weak-password-requirements\/\"  data-wpil-monitor-id=\"61579\">vulnerability presents a substantial risk to data integrity and security<\/a>.<br \/>\nThe relevance of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25264-critical-vulnerability-allowing-unauthenticated-remote-access-due-to-overly-permissive-cors-policy\/\"  data-wpil-monitor-id=\"61912\">vulnerability is amplified by the fact that it allows<\/a> potential system compromise or data leakage, thereby affecting the confidentiality, integrity, and availability of systems and data. Thus, understanding and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58280-object-heap-address-exposure-vulnerability-in-ark-ets\/\"  data-wpil-monitor-id=\"87310\">addressing this vulnerability<\/a> promptly is of utmost importance.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-49217<br \/>\nSeverity: Critical (9.8 CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49415-path-traversal-vulnerability-in-fw-gallery-with-potential-for-system-compromise\/\"  data-wpil-monitor-id=\"62476\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-672786461\" 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>Trend Micro Endpoint Encryption PolicyServer | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49137-critical-vulnerability-in-hax-cms-php-prior-to-version-11-0-0\/\"  data-wpil-monitor-id=\"61946\">versions prior<\/a> to the latest patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability, CVE-2025-49217, exists due to an insecure deserialization operation in the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49155-uncontrolled-search-path-vulnerability-in-trend-micro-apex-one-data-loss-prevention-module\/\"  data-wpil-monitor-id=\"62474\">Trend Micro<\/a> Endpoint Encryption PolicyServer. This flaw can be exploited by an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41661-unauthenticated-remote-command-execution-vulnerability-due-to-csrf-in-main-web-interface\/\"  data-wpil-monitor-id=\"61136\">remotely execute<\/a> arbitrary code on the system even without any prior authentication.<br \/>\nInsecure deserialization occurs when a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49199-application-backup-zips-vulnerability-and-system-compromise\/\"  data-wpil-monitor-id=\"61272\">system or application<\/a> receives data in a serialized format and does not properly validate or sanitize it before converting it back into an object. This vulnerability is similar to CVE-2025-49213 but is found in a different method of the PolicyServer.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1545614446\" 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>A conceptual example of how this vulnerability might be exploited could look something like the following HTTP request:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/PolicyServer\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/serialized-object\n{ &quot;malicious_serialized_object&quot;: &quot;...&quot; }<\/code><\/pre>\n<p>In this example, the attacker sends a malicious serialized object to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49216-critical-authentication-bypass-vulnerability-in-trend-micro-endpoint-encryption-policyserver\/\"  data-wpil-monitor-id=\"62670\">vulnerable endpoint<\/a>. The server then deserializes this object without properly validating it, leading to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5491-acer-controlcenter-remote-code-execution-vulnerability-potential-system-compromise\/\"  data-wpil-monitor-id=\"61211\">execution of the malicious code<\/a> embedded within.<\/p>\n<p><strong>Recommendations for Mitigation<\/strong><\/p>\n<p>It is highly recommended to apply the vendor patch as soon as possible to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39486-rankie-sql-injection-vulnerability-and-mitigation-measures\/\"  data-wpil-monitor-id=\"62475\">mitigate this vulnerability<\/a>. In cases where immediate patching is not possible, using Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) can provide temporary protection against <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-7457-macos-authorization-model-exploit-leading-to-potential-mitm-attacks\/\"  data-wpil-monitor-id=\"80042\">potential exploitation<\/a>. However, these are not long-term solutions and should be coupled with plans for patching the system at the earliest opportunity.<br \/>\nThe implementation of secure coding practices, especially around <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31919-deserialization-of-untrusted-data-vulnerability-in-themeton-spare\/\"  data-wpil-monitor-id=\"62349\">data serialization and deserialization<\/a>, can also help prevent such vulnerabilities in the future. Regular security audits and penetration testing are also advised to identify and address <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22236-minion-event-bus-authorization-bypass-vulnerability-posing-serious-security-threats\/\"  data-wpil-monitor-id=\"63347\">security vulnerabilities<\/a> promptly.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In this post, we are discussing a major cybersecurity vulnerability, identified as CVE-2025-49217, that impacts Trend Micro Endpoint Encryption PolicyServer. This is a highly critical vulnerability, as it allows attackers to execute malicious code on affected installations without requiring any prior authentication. Given the widespread usage of Trend Micro&#8217;s Endpoint Encryption PolicyServer in businesses [&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":[],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-54795","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54795","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=54795"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54795\/revisions"}],"predecessor-version":[{"id":80141,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54795\/revisions\/80141"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=54795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=54795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=54795"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=54795"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=54795"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=54795"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=54795"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=54795"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=54795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}