CVE-2021-37533 · cross-distro fix matrix

CVE-2021-37533: Prior to Apache Commons Net 3.9.0, Net's FTP client trusts the host from PASV response by default. A malicious server can redirect the Commons Net code to use a different host, but the user has to connect to the malicious server in the first place. This may lead to leakage of information about servi

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-37533 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libcommons-net-java→ fixed in3.6-1+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libcommons-net-java
```

Debian bookworm

Source: Debian Security Tracker

libcommons-net-java→ fixed in3.9.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libcommons-net-java
```

Debian trixie

Source: Debian Security Tracker

libcommons-net-java→ fixed in3.9.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libcommons-net-java
```

Are YOU affected by CVE-2021-37533?

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

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