CVE-2017-20198

Critical

Description

The Marathon UI in DC/OS < 1.9.0 allows unauthenticated users to deploy arbitrary Docker containers. Due to improper restriction of volume mount configurations, attackers can deploy a container that mounts the host's root filesystem (/) with read/write privileges. When using a malicious Docker image, the attacker can write to /etc/cron.d/ on the host, achieving arbitrary code execution with root privileges. This impacts any system where the Docker daemon honors Marathon container configurations without policy enforcement.

SeverityCritical
CVSS9.3
Exploit probability—
ProductDC/OS Marathon
PublishedJul 23, 2025
First seenJul 23, 2025
Weakness typeCWE-732CWE-732

How to fix

Update
  • D2iQ, Inc. DC/OS Marathon1.9.0 or later

Affected products

ProductAffected versionsFixed in
D2iQ, Inc. DC/OS Marathonv < 1.9.01.9.0

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