CVE-2021-21311 · cross-distro fix matrix

CVE-2021-21311: Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.9.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-21311 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

adminer→ fixed in4.7.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y adminer
```

Debian bookworm

Source: Debian Security Tracker

adminer→ fixed in4.7.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y adminer
```

Debian trixie

Source: Debian Security Tracker

adminer→ fixed in4.7.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y adminer
```

Are YOU affected by CVE-2021-21311?

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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