Deserialization of Untrusted Data in Mescius ActiveReports.NET
CVE-2025-6811

9.8CRITICAL

Key Information:

Vendor

Mescius

Status
Activereports.net
Vendor
CVE Published:
7 July 2025

What is CVE-2025-6811?

The Mescius ActiveReports.NET contains a vulnerability within the TypeResolutionService class, which permits remote code execution via the deserialization of untrusted user data. Due to insufficient validation mechanisms, attackers leveraging this flaw can execute arbitrary code in the context of the affected process. This attack requires interaction with the TypeResolutionService, and the specific method of exploitation may depend on the unique implementation of the library in each environment. Awareness and prompt remediation are essential to safeguard against potential exploitation.

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Affected Version(s)

ActiveReports.NET 18.1.1

References

https://www.zerodayinitiative.com/advisories/ZDI-25-449/
x_research-advisory

CVSS V3.0

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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