CVE-2025-6811CWE-502

Mescius ActiveReports.NET TypeResolutionService Deserialization of Untrusted Data Remote Code Execution Vulnerability

Critical · published July 7, 2025

CVSS v3.0
9.8
EPSS
1%
Percentile
58.9
In the wild
Unconfirmed
What it is

🚨 A sneaky flaw in Mescius ActiveReports.NET could let remote attackers execute any code they want—yikes! 🔥 Think of it like a restaurant kitchen accepting any food delivery without checking the ingredients first. If the delivery driver brings a suspicious package, the chefs might whip up something dangerous without even knowing it! An attacker could gain complete control of the application by executing arbitrary code, potentially leading to data theft, system compromise, or even complete service outages—an absolutely devastating situation! This is not just a simple nuisance; it's a critical breach waiting to happen.

Put simply

Think of it like a restaurant kitchen accepting any food delivery without checking the ingredients first. If the delivery driver brings a suspicious package, the chefs might whip up something dangerous without even knowing it! This vulnerability arises from the TypeResolutionService class's failure to validate user-supplied data properly, allowing for deserialization of untrusted data, which can be exploited to run malicious code within the application's process.

What to do

An attacker could gain complete control of the application by executing arbitrary code, potentially leading to data theft, system compromise, or even complete service outages—an absolutely devastating situation! This is not just a simple nuisance; it's a critical breach waiting to happen. To protect your systems, immediately patch to the latest version of Mescius ActiveReports.NET that addresses this vulnerability. Additionally, audit any implementations of TypeResolutionService to ensure proper input validation is in place. Don't let this one slide! You've got this! With a little diligence and the right updates, your systems will be secure in no time! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00888 · 58.9th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-07-07T14:52Z
EPSS history
Timeline
  • 07 JUL 14:52Z
    Mescius ActiveReports.NET TypeResolutionService Deserialization of Untrusted Data Remote Code Execution Vulnerability
    cvelistv5