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Vulnerability Intelligence

CVE-2021-42392

Critical

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.

Published Jan 10, 2022 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2021-42392, DLA-2923-1, DSA-5076-1, GHSA-h376-j262-vhq6, TR-22-0021, UBUNTU-CVE-2021-42392, USN-5365-1, USN-6834-1

Key Facts

Patch immediately
  • CVE-2021-42392 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting H2 (H2database), Communications Cloud Native Core Policy (Oracle), Debian Linux and 18 more products.
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 83% probability of exploitation in the next 30 days.
  • Fixed versions are available, including com.h2database:h2 2.0.206, eap7-h2database 0:1.4.197-2.redhat_00004.1.el7eap, eap7-h2database 0:1.4.197-2.redhat_00004.1.el8eap.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

83%

Higher than 99.6% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2021-42392 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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.

Affected Products

44 affected entries in total
ProductAffected versionsFixed in
H2H2database>= 1.1.0002.0.204
Communications Cloud Native Core PolicyOracle1.15.0n/a
Debian LinuxDebian10.0, 11.0, 9.0n/a
h2databasedebianSee advisory1.4.197-4+deb11u1
com.h2database:h2maven>= 1.1.1002.0.206
16 more affected products in the full CVE brief

Patched Releases

com.h2database:h2

2.0.206

eap7-h2database

0:1.4.197-2.redhat_00004.1.el7eap, 0:1.4.197-2.redhat_00004.1.el8eap

eap7-hal-console

0:3.2.17-1.Final_redhat_00001.1.el7eap

eap7-jackson-annotations

0:2.10.4-2.redhat_00004.1.el7eap

eap7-jackson-core

0:2.10.4-2.redhat_00004.1.el7eap

eap7-jackson-databind

0:2.10.4-4.redhat_00004.1.el7eap

eap7-jackson-jaxrs-providers

0:2.10.4-2.redhat_00004.1.el7eap

eap7-jackson-modules-base

0:2.10.4-4.redhat_00004.1.el7eap

eap7-jackson-modules-java8

0:2.10.4-2.redhat_00004.1.el7eap

eap7-jettison

0:1.5.2-2.redhat_00002.1.el7eap

eap7-netty

0:4.1.63-4.Final_redhat_00002.1.el7eap

eap7-resteasy

0:3.11.6-1.Final_redhat_00001.1.el7eap

eap7-snakeyaml

0:1.33.0-1.SP1_redhat_00001.1.el7eap

eap7-wildfly

0:7.3.12-3.GA_redhat_00002.1.el7eap

h2database

1.4.191-1ubuntu0.1~esm1, 1.4.193-1+deb9u1, 1.4.196-2ubuntu0.1~esm1, 1.4.197-4+deb10u1, 1.4.197-4+deb10u1build0.20.04.1, 1.4.197-4+deb11u1, 2.1.210-1, 2.1.210+really1.4.197-1

H2

<=2.0.204

rh-sso7

0:1-5.el9sso

rh-sso7-javapackages-tools

0:6.0.0-7.el9sso

rh-sso7-keycloak

0:15.0.8-1.redhat_00001.1.el8sso, 0:18.0.3-1.redhat_00001.1.el7sso, 0:18.0.3-1.redhat_00001.1.el9sso

Timeline

  1. Publicly disclosed

    Jan 10, 2022

  2. Last updated

    Aug 4, 2026

Weakness Type

  • CWE-502 Deserialization of Untrusted Data

References

15 more references in the full CVE brief

FAQ

Common Questions.

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