{"id":"EUVD-2025-201825","revision":null,"records":[{"revision":"36637ad9656e48429695936355709e74","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-66631","aliases":[],"title":"CSLA .NET is vulnerable to Remote Code Execution via WcfProxy","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.","state":0,"publishedAt":"2025-12-09T03:18:37.698+00:00","modifiedAt":"2025-12-09T15:15:06.46+00:00","affected":[{"ecosystem":"Vendor product","name":"csla","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"MarimerLLC\",\n                    \"product\": \"csla\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 6.0.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":7.2,"severity":"HIGH"}],"references":["https://github.com/MarimerLLC/csla/security/advisories/GHSA-wq34-7f4g-953v","https://github.com/MarimerLLC/csla/issues/4001","https://github.com/MarimerLLC/csla/pull/4018"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-66631","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-66631","identifiers":["CVE-2025-66631"]},"retained":false,"historicalAffected":[]},{"revision":"299442c9e4a74506a9dc9bcef99c4425","observedAt":"2026-11-10T02:06:35.369+00:00","statement":{"source":"euvd","id":"EUVD-2025-201825","aliases":["CVE-2025-66631","GHSA-wq34-7f4g-953v"],"title":"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 …","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.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"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","score":7.2,"severity":null}],"references":["https://github.com/MarimerLLC/csla/security/advisories/GHSA-wq34-7f4g-953v","https://github.com/MarimerLLC/csla/issues/4001","https://github.com/MarimerLLC/csla/pull/4018"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-201825","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Dec 9, 2025, 3:18:37 AM","dateUpdated":"Dec 9, 2025, 3:15:06 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2025-201825","identifiers":["EUVD-2025-201825","CVE-2025-66631","GHSA-wq34-7f4g-953v"]},"retained":false,"historicalAffected":[]},{"revision":"842202d1c88143269b3db4fe63e316b4","observedAt":"2026-10-25T03:17:36.152+00:00","statement":{"source":"nvd","id":"CVE-2025-66631","aliases":[],"title":"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 …","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.","state":0,"publishedAt":"2025-12-09T16:18:22.103+00:00","modifiedAt":"2026-10-07T20:10:01.97+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":7.2,"severity":"HIGH"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["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"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-66631","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-502"],"productCriteria":["cpe:2.3:a:cslanet:csla_.net:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2025-12-09T16:18:22.103","lastModified":"2026-10-07T20:10:01.970"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2025-66631","identifiers":["CVE-2025-66631"]},"retained":false,"historicalAffected":[]},{"revision":"dd7c35a52a9841aabb32b574a03a0445","observedAt":"2026-10-23T16:01:25.029+00:00","statement":{"source":"osv","id":"GHSA-wq34-7f4g-953v","aliases":["CVE-2025-66631"],"title":"Csla affected by Remote Code Execution via WcfProxy (NetDataContractSerializer)","description":"### Impact\nVersions of CSLA .NET prior to version 6 allow the use of WcfProxy. WcfProxy uses the NetDataContractSerializer (NDCS) which has known vulnerabilities that can allow remote execution of code during deserialization. NDCS itself is considered obsolete, and you should avoid using WcfProxy or upgrade to CSLA 6 or higher where this issue does not exist.\n\n### Patches\nCSLA .NET version 6 and higher do not use WCF or NetDataContractSerializer.\n\n### Workarounds\nIf you are using a version CSLA .NET older than version 6, you should stop using WcfProxy in your data portal configuration. Doing this avoids the use of WCF and the NetDataContractSerializer, avoiding the vulnerability.","state":0,"publishedAt":"2025-12-08T22:15:56+00:00","modifiedAt":"2025-12-09T19:52:27.238034+00:00","affected":[{"ecosystem":"NuGet","name":"Csla","ranges":[{"type":"ECOSYSTEM","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"6.0.0"}]}],"versions":["5.0.0","5.0.0-R19052204","5.0.0-R19080501","5.0.0-R19082107","5.0.0-R19082803","5.0.0-R19090201","5.0.0-R19091001","5.0.0-R19091005","5.0.0-R19091601","5.0.0-R19091701","5.0.1","5.1.0","5.1.0-R19101002","5.1.0-R19110101","5.1.0-R19110701","5.1.0-R19122302","5.1.0-R20011901","5.1.0-R20012001","5.1.0-R20012201","5.1.0-R20020503","5.1.0-R20020701","5.2.0","5.2.0-R20040904","5.2.0-R20042401","5.2.0-R20042901","5.2.0-R20050802","5.3.0","5.3.0-R20062901","5.3.1","5.3.1-R20082601","5.3.2","5.4.0","5.4.0-R20111002","5.4.0-R20111202","5.4.0-R20113004","5.4.1","5.4.1-R21011901","5.4.2","5.4.2-R21040501","5.5.0","5.5.0-R21070101","5.5.0-R21071901","5.5.1","5.5.1-R21080301","5.5.1-R21082202","5.5.2","5.5.2-R21101501","5.5.3","5.5.4","6.0.0-R22020902","6.0.0-R22022201","6.0.0-R22031601","6.0.0-R22040701","6.0.0-R22042501"],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"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","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/MarimerLLC/csla/security/advisories/GHSA-wq34-7f4g-953v","https://nvd.nist.gov/vuln/detail/CVE-2025-66631","https://github.com/MarimerLLC/csla/issues/4001","https://github.com/MarimerLLC/csla/pull/4018","https://github.com/MarimerLLC/csla","https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca2310"],"sourceUrl":"https://github.com/advisories/GHSA-wq34-7f4g-953v","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-wq34-7f4g-953v","identifiers":["GHSA-wq34-7f4g-953v","CVE-2025-66631"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-11T10:57:37.6316309+00:00","complete":true,"records":1779,"lastAttemptAt":"2026-11-11T10:57:37.6316309+00:00","lastSuccessAt":"2026-11-11T10:57:37.7940559+00:00","error":null,"lastVerifiedAt":"2026-11-11T10:57:37.7940585+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-de3b77103708811b6494d2ff7c979037d73ae579742cd1649a5c765137ae5083-b61703aa7a8a8776341875d56ae04881d75cb51c03ebed7341566c1aac4b78f3","complete":true,"records":424026,"lastAttemptAt":"2026-11-11T10:57:30.8429465+00:00","lastSuccessAt":"2026-11-11T10:57:30.772003+00:00","error":null,"lastVerifiedAt":"2026-11-11T10:57:30.8429465+00:00","snapshotPublishedAt":"2026-11-11T10:28:18+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-51fe477371604915b3d68ded9f0b35a4","complete":false,"records":13758,"lastAttemptAt":"2026-11-11T11:09:21.2288374+00:00","lastSuccessAt":"2026-11-11T11:09:21.223+00:00","error":null,"lastVerifiedAt":"2026-11-11T11:09:21.223+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13518,"expectedIdentifiers":13812,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-11T10:57:37.6316309+00:00","complete":true,"records":1097,"lastAttemptAt":"2026-11-11T10:57:37.6316309+00:00","lastSuccessAt":"2026-11-11T10:57:37.7955954+00:00","error":null,"lastVerifiedAt":"2026-11-11T10:57:37.7955973+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-622dd4c770014d0cabbdd0941fabd46f","complete":true,"records":13752,"lastAttemptAt":"2026-11-11T10:57:38.8624284+00:00","lastSuccessAt":"2026-11-11T10:57:38.856+00:00","error":null,"lastVerifiedAt":"2026-11-11T10:57:38.856+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13812,"expectedIdentifiers":13812,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-3562b6c78fd1bd0f0b55daf66a0926ae24f65e462df7f6d928caad458fc696bf","complete":true,"records":9947,"lastAttemptAt":"2026-11-11T10:57:31.188043+00:00","lastSuccessAt":"2026-11-11T04:27:43.6877707+00:00","error":null,"lastVerifiedAt":"2026-11-11T10:57:31.188043+00:00","snapshotPublishedAt":"2026-11-11T03:32:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-456002455e0ab94bb92c95476d4e6d175c104cd594749982afd96c893728ecbc","complete":true,"records":2010,"lastAttemptAt":"2026-11-11T10:57:30.9764176+00:00","lastSuccessAt":"2026-11-11T02:36:58.1276999+00:00","error":null,"lastVerifiedAt":"2026-11-11T10:57:30.9764176+00:00","snapshotPublishedAt":"2026-11-11T01:17:51+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-b178858a6ba5f2e20262964fa29d9573839d1b8b735abe524cc7d061ebde5c37","complete":true,"records":3088,"lastAttemptAt":"2026-11-11T10:57:37.5961627+00:00","lastSuccessAt":"2026-11-11T10:57:37.4490966+00:00","error":null,"lastVerifiedAt":"2026-11-11T10:57:37.5961627+00:00","snapshotPublishedAt":"2026-11-11T10:48:28+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-085e065fc9050ae18408f7e722c39653aeb186872334d7b3ec1fcafb7ed43d25","complete":true,"records":231665,"lastAttemptAt":"2026-11-11T10:57:31.0815536+00:00","lastSuccessAt":"2026-11-11T08:27:45.2700102+00:00","error":null,"lastVerifiedAt":"2026-11-11T10:57:31.0815536+00:00","snapshotPublishedAt":"2026-11-11T07:32:59+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}