Trend Micro Endpoint Encryption DbAppDomain Authentication Bypass Vulnerability

June 11th, 2025
ZDI-25-373 ZDI-CAN-25519

CVE ID

CVE-2025-49216

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 bypass authentication on affected installations of Trend Micro Endpoint Encryption. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the DbAppDomain service. The issue results from an improper implementation of an authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the 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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