{"id":54868,"date":"2025-06-24T18:42:39","date_gmt":"2025-06-24T18:42:39","guid":{"rendered":""},"modified":"2025-09-08T17:19:05","modified_gmt":"2025-09-08T23:19:05","slug":"cve-2025-49214-trend-micro-endpoint-encryption-policyserver-insecure-deserialization-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49214-trend-micro-endpoint-encryption-policyserver-insecure-deserialization-vulnerability\/","title":{"rendered":"CVE-2025-49214: Trend Micro Endpoint Encryption PolicyServer Insecure Deserialization Vulnerability<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The cybersecurity landscape has been thrown into a state of alert following the discovery of a critical vulnerability in Trend Micro Endpoint Encryption PolicyServer. This vulnerability, identified as CVE-2025-49214, could be exploited post-authentication to remotely execute code on affected installations, potentially leading to a system compromise or data leakage. Given that Trend Micro<\/a> is a leading cybersecurity solutions provider with a wide user base, this vulnerability carries significant weight and requires swift attention.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-49214
\nSeverity: Critical, with a CVSS score of 8.8
\nAttack Vector: Network
\nPrivileges Required: Low
\nUser Interaction: None
\nImpact: Successful exploitation could lead to remote code execution<\/a>, potentially resulting in system compromise or data leakage.<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Trend Micro Endpoint Encryption PolicyServer | All versions prior<\/a> to patch<\/p>\n

How the Exploit Works<\/strong><\/p>\n

At the heart of the vulnerability lies an insecure deserialization<\/a> operation within the Trend Micro Endpoint Encryption PolicyServer. Deserialization is the process of converting serialized data<\/a> back into its original form. If the server doesn’t properly validate or sanitize the serialized data before deserializing<\/a> it, an attacker can inject malicious code into the serialized object. This data is then deserialized by the server, executing the malicious code<\/a> within the context of the server’s environment.
\nThis allows an attacker who has the ability to execute low-privileged code<\/a> on the target system to potentially execute arbitrary code remotely. This is a post-authentication vulnerability, meaning the attacker would first need to authenticate themselves with the system before they could exploit the vulnerability<\/a>.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Below is a conceptual example of how the vulnerability might be exploited using a malicious<\/a> payload:<\/p>\n

POST \/deserialization-endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/serialized-object\n{ \"serialized_object\": \"rO0ABXNyADdpb25pY2ZyYW1ld29yay5jb3JlLmlvLkV2aWw=\" }<\/code><\/pre>\n
In this hypothetical example, the serialized_object contains a Base64-encoded serialized object. This object, when deserialized, could lead to the execution of arbitrary code<\/a>.
\nPlease note that the above is a conceptual example and not a real exploit code. The actual exploit would depend on many factors, including the specific configurations and versions of the Trend Micro<\/a> Endpoint Encryption PolicyServer.
\nIt is strongly recommended that all users of affected versions of Trend Micro Endpoint Encryption PolicyServer<\/a> apply the vendor-supplied patch immediately or use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The cybersecurity landscape has been thrown into a state of alert following the discovery of a critical vulnerability in Trend Micro Endpoint Encryption PolicyServer. This vulnerability, identified as CVE-2025-49214, could be exploited post-authentication to remotely execute code on affected installations, potentially leading to a system compromise or data leakage. Given that Trend Micro is […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-54868","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t