{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-66631","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2025-12-05T15:42:44.716Z","datePublished":"2025-12-09T03:18:37.698Z","dateUpdated":"2025-12-09T15:15:06.460Z"},"containers":{"cna":{"title":"CSLA .NET is vulnerable to Remote Code Execution via WcfProxy","problemTypes":[{"descriptions":[{"cweId":"CWE-502","lang":"en","description":"CWE-502: Deserialization of Untrusted Data","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.2,"baseSeverity":"HIGH","vectorString":"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","version":"4.0"}}],"references":[{"name":"https://github.com/MarimerLLC/csla/security/advisories/GHSA-wq34-7f4g-953v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/MarimerLLC/csla/security/advisories/GHSA-wq34-7f4g-953v"},{"name":"https://github.com/MarimerLLC/csla/issues/4001","tags":["x_refsource_MISC"],"url":"https://github.com/MarimerLLC/csla/issues/4001"},{"name":"https://github.com/MarimerLLC/csla/pull/4018","tags":["x_refsource_MISC"],"url":"https://github.com/MarimerLLC/csla/pull/4018"}],"affected":[{"vendor":"MarimerLLC","product":"csla","versions":[{"version":"< 6.0.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2025-12-09T03:18:37.698Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-wq34-7f4g-953v","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-09T15:15:00.371059Z","id":"CVE-2025-66631","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-12-09T15:15:06.460Z"}}]}}