{"id":"UBUNTU-CVE-2021-42392","details":"The org.h2.util.JdbcUtils.getConnection method of the H2 database takes as parameters the class name of the driver and URL of the database. An attacker may pass a JNDI driver name and a URL leading to a LDAP or RMI servers, causing remote code execution. This can be exploited through various attack vectors, most notably through the H2 Console which leads to unauthenticated remote code execution.","modified":"2026-02-04T02:23:40.123930Z","published":"2022-01-10T14:10:00Z","related":["USN-5365-1","USN-6834-1"],"upstream":["CVE-2021-42392"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-42392"},{"type":"REPORT","url":"https://github.com/h2database/h2database/security/advisories/GHSA-h376-j262-vhq6"},{"type":"REPORT","url":"https://jfrog.com/blog/the-jndi-strikes-back-unauthenticated-rce-in-h2-database-console/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5365-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-42392"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6834-1"}],"affected":[{"package":{"name":"h2database","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/h2database@1.4.191-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.191-1ubuntu0.1~esm1"}]}],"versions":["1.4.185-1","1.4.185-2","1.4.190-1","1.4.191-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libh2-java","binary_version":"1.4.191-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42392.json"}},{"package":{"name":"h2database","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/h2database@1.4.196-2ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.196-2ubuntu0.1~esm1"}]}],"versions":["1.4.196-1","1.4.196-2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libh2-java","binary_version":"1.4.196-2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42392.json"}},{"package":{"name":"h2database","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/h2database@1.4.197-4+deb10u1build0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.197-4+deb10u1build0.20.04.1"}]}],"versions":["1.4.197-4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libh2-java","binary_version":"1.4.197-4+deb10u1build0.20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42392.json"}},{"package":{"name":"h2database","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/h2database@2.1.210+really1.4.197-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.210+really1.4.197-1"}]}],"versions":["1.4.197-4","2.1.210-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libh2-java","binary_version":"2.1.210+really1.4.197-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-42392.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]}