CVE-2025-66631

N/A Unknown
Published: December 09, 2025 Modified: December 09, 2025

Description

CSLA .NET is a framework designed for the development of reusable, object-oriented business layers for applications. Versions 5.5.4 and below allow the use of WcfProxy. WcfProxy uses the now-obsolete NetDataContractSerializer (NDCS) and is vulnerable to remote code execution during deserialization. This vulnerability is fixed in version 6.0.0. To workaround this issue, remove the WcfProxy in data portal configurations.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/MarimerLLC/csla/issues/4001
Source: security-advisories@github.com
https://github.com/MarimerLLC/csla/pull/4018
Source: security-advisories@github.com

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.4%
62th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)