{"schema":"threatline.record/2","record":{"id":"CVE-2025-49015","aliases":["GHSA-px2c-r924-mwcc"],"summary":"Couchbase .NET SDK (client library) does not properly enable hostname verification for TLS certificates","details":"The Couchbase .NET SDK (client library) before 3.7.1 does not properly enable hostname verification for TLS certificates. In fact, the SDK was also using IP addresses instead of hostnames due to a configuration option that was incorrectly enabled by default.","categories":["Libraries & packages"],"product":"CouchbaseNetClient","vendor":"n/a","ecosystem":"nuget","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-px2c-r924-mwcc","source_modified_at":"2026-10-19T20:55:13Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"nuget","name":"CouchbaseNetClient"},"range":"< 3.7.1"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2025-49015","source_modified_at":"2025-06-18T14:47:35.181Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"n/a","vendor":"n/a","versions":[{"version":"n/a","status":"affected"}],"defaultStatus":null},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-px2c-r924-mwcc","source_modified_at":"2026-10-19T21:00:05.206656943Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"NuGet","name":"CouchbaseNetClient","purl":"pkg:nuget/CouchbaseNetClient"},"ranges":[{"events":[{"introduced":"0"},{"fixed":"3.7.1"}],"type":"ECOSYSTEM"}],"versions":["0.9.0","0.9.1","0.9.2","1.0.0","1.0.1","1.1.0","1.1.0.1","1.1.1","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.2.0","1.2.0-beta","1.2.0-beta-2","1.2.0-beta-3","1.2.1","1.2.2","1.2.2.1","1.2.3","1.2.4","1.2.5","1.2.6","1.2.7","1.2.8","1.2.9","1.3.0","1.3.1","1.3.10","1.3.11","1.3.12","1.3.13","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.3.8","1.3.9","2.0.0","2.0.0-beta","2.0.0-beta2","2.0.0.1","2.0.1","2.0.2","2.0.3","2.0.3.1","2.0.3.2"]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-px2c-r924-mwcc","source_modified_at":"2026-10-19T20:55:13Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"nuget","name":"CouchbaseNetClient"},"version":"3.7.1"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-px2c-r924-mwcc","source_modified_at":"2026-10-19T21:00:05.206656943Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"NuGet","name":"CouchbaseNetClient","purl":"pkg:nuget/CouchbaseNetClient"},"version":"3.7.1"}],"cvss":4.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0023,"percentile":0.13015,"score_date":"2026-10-23"},"published_at":"2025-06-18T00:00:00.000Z","modified_at":"2026-10-19T21:00:05.206656943Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-px2c-r924-mwcc","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-19T20:55:13Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2025-49015","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2025-06-18T14:47:35.181Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-px2c-r924-mwcc","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-19T21:00:05.206656943Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2025-49015","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["GitHub Advisory Database","CVE List","OSV","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49015","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://docs.couchbase.com/server/current/release-notes/relnotes.html"},{"source":"CVE List","url":"https://forums.couchbase.com/tags/security"},{"url":"https://www.couchbase.com/alerts","source":"GitHub Advisory Database"},{"url":"https://github.com/couchbase/couchbase-net-client/commit/04d1679b2178f922036be6e595b3d91f972c5ba3","source":"GitHub Advisory Database"},{"url":"https://github.com/advisories/GHSA-px2c-r924-mwcc","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://www.couchbase.com/alerts/"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2025-06-18T14:45:18.357772Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T21:00:05.206656943Z","content_hash":"18408f04744afdf7affe077baa6b9073609ea067c18ba681df153bceb9184610"}}