CVE-2025-66631

CSLA .NET is vulnerable to Remote Code Execution via WcfProxy

CVSS 7.2 HIGHEPSS 0.6%CWE-502

Vexday Risk Score

21Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 7.2EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

09 dic 2025Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

Productos afectados

MarimerLLC · csla

Referencias

https://github.com/MarimerLLC/csla/issues/4001 https://github.com/MarimerLLC/csla/pull/4018 https://github.com/MarimerLLC/csla/security/advisories/GHSA-wq34-7f4g-953v