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CVE-2020-5421 · cross-distro fix matrix

CVE-2020-5421: In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-5421 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libspring-java→ fixed in4.3.30-1urgency: unimportant
    sudo apt-get install --only-upgrade -y libspring-java

Debian bookworm

Source: Debian Security Tracker

  • libspring-java→ fixed in4.3.30-1urgency: unimportant
    sudo apt-get install --only-upgrade -y libspring-java

Debian trixie

Source: Debian Security Tracker

  • libspring-java→ fixed in4.3.30-1urgency: unimportant
    sudo apt-get install --only-upgrade -y libspring-java
Are YOU affected by CVE-2020-5421?

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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