CVE-2021-42392

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

h2database · h2

CVSS v3.1 NVD

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

CVSS v2.0 NVD

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

83.18% chance of exploitation in the next 30 days, 100th percentile

Nuclei

critical · CWE-502

Published

2022-01-07

Updated

2024-08-04

Proof-of-concept exploits (1)

• Be-Innova/CVE-2021-42392-exploit-lab0★ · 2025-05-08

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-42392.yaml

Vulhub environments (1)

• vulhub/vulhub/tree/master/h2database/CVE-2021-42392

Security advisories

• https://jfrog.com/blog/the-jndi-strikes-back-unauthenticated-rce-in-h2-database-console
• h2database/h2database/security/advisories/GHSA-h376-j262-vhq6
• https://lists.debian.org/debian-lts-announce/2022/02/msg00017.html
• https://security.netapp.com/advisory/ntap-20220119-0001
• https://www.debian.org/security/2022/dsa-5076
• https://www.oracle.com/security-alerts/cpuapr2022.html
• advisories/GHSA-h376-j262-vhq6

References

• CVE Record
• NVD entry