CVE-2021-42392

CRITICAL

H2 < 2.0.204 - Insecure Deserialization

Title source: rule

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.

Exploits (2)

nomisec WORKING POC

by Be-Innova · poc

https://github.com/Be-Innova/CVE-2021-42392-exploit-lab

View Code ZIP pw:eip

inthewild SCANNER

poc

https://github.com/cybersecurityworks553/cve-2021-42392-detect

View Code ZIP pw:eip

References (7)

[Mitigation, Third Party Advisory] https://github.com/h2database/h2database/security/advisories/GHSA-h376-j262-vhq6

[Exploit, Technical Description, Vendor Advisory] https://jfrog.com/blog/the-jndi-strikes-back-unauthenticated-rce-in-h2-database-console/

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2022/02/msg00017.html

[Third Party Advisory] https://security.netapp.com/advisory/ntap-20220119-0001/

[Third Party Advisory] https://www.debian.org/security/2022/dsa-5076

[Patch, Third Party Advisory] https://www.oracle.com/security-alerts/cpuapr2022.html

[Various Sources] https://www.secpod.com/blog/log4shell-critical-remote-code-execution-vulnerability-in-h2database-console/

Scores

CVSS v3 9.8

EPSS 0.9077

EPSS Percentile 99.6%

Attack Vector NETWORK

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

Classification

CWE

CWE-502

Status published

Affected Products (6)

h2database/h2 < 2.0.204

debian/debian_linux

debian/debian_linux

debian/debian_linux

oracle/communications_cloud_native_core_policy

com.h2database/h2 < 2.0.206Maven

Timeline

Published Jan 10, 2022

Tracked Since Feb 18, 2026