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CVE-2021-32747 · cross-distro fix matrix

CVE-2021-32747: Icinga Web 2 is an open source monitoring web interface, framework, and command-line interface. A vulnerability in which custom variables are exposed to unauthorized users exists between versions 2.0.0 and 2.8.2. Custom variables are user-defined keys and values on configuration objects in Icinga 2.

Affects 7 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-32747 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

  • icingaweb2→ fixed in2.8.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y icingaweb2

Debian trixie

Source: Debian Security Tracker

  • icingaweb2→ fixed in2.8.4-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y icingaweb2

Alpine v3.20

Source: Alpine secdb

  • icingaweb2→ fixed in2.9.0-r0
    apk update && apk add --upgrade icingaweb2

Alpine v3.21

Source: Alpine secdb

  • icingaweb2→ fixed in2.9.0-r0
    apk update && apk add --upgrade icingaweb2

Alpine edge

Source: Alpine secdb

  • icingaweb2→ fixed in2.9.0-r0
    apk update && apk add --upgrade icingaweb2

Alpine v3.18

Source: Alpine secdb

  • icingaweb2→ fixed in2.9.0-r0
    apk update && apk add --upgrade icingaweb2

Alpine v3.19

Source: Alpine secdb

  • icingaweb2→ fixed in2.9.0-r0
    apk update && apk add --upgrade icingaweb2
Are YOU affected by CVE-2021-32747?

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
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