CVE-2025-49217CWE-477

An insecure deserialization operation in the Trend Micro Endpoint Encryption PolicyServer could lead to a pre-authentication remote code execution on affected…

Critical · published June 17, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
62.4
In the wild
Unconfirmed
What it is

🚨 Hold onto your security gear! A dangerously insecure deserialization flaw in Trend Micro Endpoint Encryption PolicyServer can open the door to pre-authentication remote code execution. 🔥 Think of it like a package delivery system that accepts any unverified shipment—if the courier doesn't check what's inside, they might just deliver a ticking time bomb right to your doorstep! If exploited, attackers could execute arbitrary code on your system without even logging in—essentially giving them the keys to the kingdom. This could lead to data breaches, system manipulation, or even a catastrophic loss of sensitive information. It's a nightmare scenario for any organization!

Put simply

Think of it like a package delivery system that accepts any unverified shipment—if the courier doesn't check what's inside, they might just deliver a ticking time bomb right to your doorstep! This vulnerability allows unauthorized users to perform remote code execution due to insecure deserialization, meaning that crafted malicious inputs could be processed without proper validation.

What to do

If exploited, attackers could execute arbitrary code on your system without even logging in—essentially giving them the keys to the kingdom. This could lead to data breaches, system manipulation, or even a catastrophic loss of sensitive information. It's a nightmare scenario for any organization! Immediate action is crucial! Upgrade the Trend Micro Endpoint Encryption PolicyServer to the latest version as soon as it's available, and ensure that all unnecessary deserialization operations are locked down. Regularly audit your security measures and stay on top of threat reports. You've got this! With these steps, you'll be on your way to securing your system against this vulnerability. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01061 · 62.4th percentile
Weakness
CWE-477 · Use of Obsolete Function
Published
2025-06-17T20:28Z
EPSS history
Timeline
  • 17 JUN 20:28Z
    An insecure deserialization operation in the Trend Micro Endpoint Encryption PolicyServer could lead to a pre-authentication remote code execution on affected…
    cvelistv5