{"id":"CVE-2025-5662","state":"PUBLISHED","title":"Deserialization Vulnerability in h2oai/h2o-3","description":"A deserialization vulnerability exists in the H2O-3 REST API (POST /99/ImportSQLTable) that affects all versions up to 3.46.0.7. This vulnerability allows remote code execution (RCE) due to improper validation of JDBC connection parameters when using a Key-Value format. The vulnerability is present in the MySQL JDBC Driver version 8.0.19 and JDK version 8u112. The issue is resolved in version 3.46.0.8.","publishedAt":"2025-09-02T11:14:52.744Z","updatedAt":"2025-09-02T15:50:21.879Z","severity":{"score":9.8,"label":"Critical","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"@huntr_ai"},"assigner":"@huntr_ai","products":["h2oai h2oai/h2o-3"],"affected":[{"vendor":"h2oai","product":"h2oai/h2o-3","versions":[{"version":"unspecified","status":"affected","lessThan":"3.46.0.8","versionType":"custom"}]}],"references":["https://huntr.com/bounties/057a743b-b2ec-4312-8262-ce0ff8bc161c","https://github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382d"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:09:39.787Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/5xxx/CVE-2025-5662.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-5662","state":"PUBLISHED","datePublished":"2025-09-02T11:14:52.744Z","dateUpdated":"2025-09-02T15:50:21.879Z","assignerShortName":"@huntr_ai","assignerOrgId":"c09c270a-b464-47c1-9133-acb35b22c19a","dateReserved":"2025-06-04T12:47:05.500Z"},"containers":{"cna":{"title":"Deserialization Vulnerability in h2oai/h2o-3","descriptions":[{"lang":"en","value":"A deserialization vulnerability exists in the H2O-3 REST API (POST /99/ImportSQLTable) that affects all versions up to 3.46.0.7. This vulnerability allows remote code execution (RCE) due to improper validation of JDBC connection parameters when using a Key-Value format. The vulnerability is present in the MySQL JDBC Driver version 8.0.19 and JDK version 8u112. The issue is resolved in version 3.46.0.8."}],"affected":[{"vendor":"h2oai","product":"h2oai/h2o-3","versions":[{"version":"unspecified","status":"affected","lessThan":"3.46.0.8","versionType":"custom"}]}],"references":[{"url":"https://huntr.com/bounties/057a743b-b2ec-4312-8262-ce0ff8bc161c"},{"url":"https://github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382d"}],"metrics":[{"cvssV3_0":{"version":"3.0","attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","type":"CWE","lang":"en","description":"CWE-502 Deserialization of Untrusted Data"}]}],"providerMetadata":{"shortName":"@huntr_ai","orgId":"c09c270a-b464-47c1-9133-acb35b22c19a","dateUpdated":"2025-09-02T11:14:52.744Z"},"source":{"advisory":"057a743b-b2ec-4312-8262-ce0ff8bc161c","discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-09-02T15:42:56.183820Z","id":"CVE-2025-5662","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-09-02T15:50:21.879Z"}}]}}}