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CVE-2021-42392

Published: 10 January 2022

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.

Priority

High

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
h2database
Launchpad, Ubuntu, Debian
bionic Needs triage

focal
Released (1.4.197-4+deb10u1build0.20.04.1)
hirsute Ignored
(end of life)
impish
Released (1.4.197-4+deb10u1build0.21.10.1)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

noble Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H