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Security Advisory: DirectAdmin FTP Brute-Force Rate Limiting Bypass

This is a security release for AlmaLinux 8, AlmaLinux 9. Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.

Low
DirectAdmin AlmaLinux 8 AlmaLinux 9 CentOS 7 CloudLinux 8 CloudLinux 9 Debian 11 Debian 12 Ubuntu 20.04 Ubuntu 22.04

Affected Versions

DirectAdmin 1.671 and earlier

Patched Version

DirectAdmin 1.672

Default Update CMD

yum update -y

Fix Commands

AlmaLinux 9 / CloudLinux 9

cd /usr/local/directadmin
echo 'action=update&value=current' >> data/task.queue
directadmin --reload

CentOS 7 / CloudLinux 7

cd /usr/local/directadmin
echo 'action=update&value=current' >> data/task.queue
directadmin --reload

Ubuntu 22.04 / Debian 12

cd /usr/local/directadmin
echo 'action=update&value=current' >> data/task.queue
directadmin --reload

What this means under a SharedLicense license

Your SharedLicense license itself is not affected — this is a change in AlmaLinux 8, AlmaLinux 9 software, not in licensing. Update the product through its standard update channel. Licenses keep working through updates; nothing needs re-issuing or re-activating.

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