DEBIAN-CVE-2021-42392

Advisory lineage Upstream: 1 Downstream: 2
Published: 10 Jan 2022, 14:10
Last modified:28 Apr 2026, 20:23

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Jan 2022, 14:10
Published
Vulnerability first disclosed
28 Apr 2026, 20:23
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1CRITICALScore: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debianh2database

    < 1.4.197-4+deb11u1 | < 2.1.210-1 | < 2.1.210-1 | < 2.1.210-1

References (1)