CVE-2021-20001 · cross-distro fix matrix

CVE-2021-20001: It was discovered, that debian-edu-config, a set of configuration files used for the Debian Edu blend, before 2.12.16 configured insecure permissions for the user web shares (~/public_html), which could result in privilege escalation.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-20001 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

debian-edu-config→ fixed in2.11.56+deb11u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y debian-edu-config
```

Debian bookworm

Source: Debian Security Tracker

debian-edu-config→ fixed in2.12.16urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y debian-edu-config
```

Debian trixie

Source: Debian Security Tracker

debian-edu-config→ fixed in2.12.16urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y debian-edu-config
```

Are YOU affected by CVE-2021-20001?

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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