{"cve":"CVE-2021-23463","nvd":{"published":"2021-12-10T20:15:07.917","modified":"2026-06-17T03:38:47.610","status":"Modified","description":"The package com.h2database:h2 from 1.4.198 and before 2.0.202 are vulnerable to XML External Entity (XXE) Injection via the org.h2.jdbc.JdbcSQLXML class object, when it receives parsed string data from org.h2.jdbc.JdbcResultSet.getSQLXML() method. If it executes the getSource() method when the parameter is DOMSource.class it will trigger the vulnerability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","score":9.1},"cwes":["CWE-611"],"references":["https://github.com/h2database/h2database/commit/d83285fd2e48fb075780ee95badee6f5a15ea7f8%23diff-008c2e4462609982199cd83e7cf6f1d6b41296b516783f6752c44b9f15dc7bc3","https://github.com/h2database/h2database/issues/3195","https://github.com/h2database/h2database/pull/3199","https://security.netapp.com/advisory/ntap-20230818-0010/","https://snyk.io/vuln/SNYK-JAVA-COMH2DATABASE-1769238"],"products":["h2database:h2"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-23463","score":0.02787,"percentile":0.8641,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7rpj-hg47-cx62","url":"https://osv.dev/vulnerability/GHSA-7rpj-hg47-cx62","summary":"Improper Restriction of XML External Entity Reference in com.h2database:h2.","modified":"2026-07-08T06:49:52.637264990Z","packages":[{"ecosystem":"Maven","name":"com.h2database:h2","purl":"pkg:maven/com.h2database/h2","ranges":[">=1.4.198 <2.0.202"],"fixed":["2.0.202"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}