CVE-2021-42392 · cross-distro fix matrix

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

Affects 3 Linux releases across 3 (distro × package) combinations.

Elevated exploitation risk

FIRST EPSS puts CVE-2021-42392's probability of exploitation in the next 30 days at 63% (99th percentile of all CVEs)— well above the noise floor. Prioritize it.

EPSS:63% · 30-day exploit probability99th percentile

Fix per ecosystem

Each block below is a distro release where CVE-2021-42392 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

h2database→ fixed in1.4.197-4+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y h2database
```

Debian bookworm

Source: Debian Security Tracker

h2database→ fixed in2.1.210-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y h2database
```

Debian trixie

Source: Debian Security Tracker

h2database→ fixed in2.1.210-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y h2database
```

Are YOU affected by CVE-2021-42392?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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