Advisory Details

June 11th, 2025

Trend Micro Endpoint Encryption PolicyServerWindowsService Deserialization of Untrusted Data Remote Code Execution Vulnerability

ZDI-25-370
ZDI-CAN-25506

CVE ID CVE-2025-49213
CVSS SCORE 9.8, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS Endpoint Encryption
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Trend Micro Endpoint Encryption. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the PolicyServerWindowsService class. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
ADDITIONAL DETAILS Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://success.trendmicro.com/en-US/solution/KA-0019928
DISCLOSURE TIMELINE
  • 2024-10-11 - Vulnerability reported to vendor
  • 2025-06-11 - Coordinated public release of advisory
  • 2025-06-11 - Advisory Updated
CREDIT Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative
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