CVE-2020-8555 · cross-distro fix matrix

CVE-2020-8555: The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints with

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-8555 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

kubernetes→ fixed in1.18.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y kubernetes
```

Debian bookworm

Source: Debian Security Tracker

kubernetes→ fixed in1.18.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y kubernetes
```

Debian trixie

Source: Debian Security Tracker

kubernetes→ fixed in1.18.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y kubernetes
```

Alpine v3.20

Source: Alpine secdb

k3s→ fixed in1.18.3.1-r0
```
apk update && apk add --upgrade k3s
```

Alpine v3.21

Source: Alpine secdb

k3s→ fixed in1.18.3.1-r0
```
apk update && apk add --upgrade k3s
```

Alpine edge

Source: Alpine secdb

k3s→ fixed in1.18.3.1-r0
```
apk update && apk add --upgrade k3s
```

Alpine v3.18

Source: Alpine secdb

k3s→ fixed in1.18.3.1-r0
```
apk update && apk add --upgrade k3s
```

Alpine v3.19

Source: Alpine secdb

k3s→ fixed in1.18.3.1-r0
```
apk update && apk add --upgrade k3s
```

Are YOU affected by CVE-2020-8555?

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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