CVE-2020-13959 · cross-distro fix matrix

CVE-2020-13959: The default error page for VelocityView in Apache Velocity Tools prior to 3.1 reflects back the vm file that was entered as part of the URL. An attacker can set an XSS payload file as this vm file in the URL which results in this payload being executed. XSS vulnerabilities allow attackers to execute

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-13959 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

velocity-tools→ fixed in2.0-8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y velocity-tools
```

Debian bookworm

Source: Debian Security Tracker

velocity-tools→ fixed in2.0-8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y velocity-tools
```

Debian trixie

Source: Debian Security Tracker

velocity-tools→ fixed in2.0-8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y velocity-tools
```

Are YOU affected by CVE-2020-13959?

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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