Vulnerability details
CVE-2017-20198
D2iQ DC/OS Marathon
DC/OS Marathon UI < 1.9.0 Unauthenticated RCE via Docker Mount Abuse
CVSS 4.0
9.3Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| D2iQ, Inc. | DC/OS Marathon | v < 1.9.0 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://www.exploit-db.com/exploits/42134 exploit
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/dcos_marathon.rb exploit
- https://web.archive.org/web/20230609134421/https://warroom.rsmus.com/dcos-marathon-compromise/ technical-description
- https://dcos.io/ product
- https://www.vulncheck.com/advisories/dcos-marathon-docker-mount-abuse-rce third-party-advisory
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Details
- Published
- 2025-07-23
- Last updated
- 2026-05-15
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
1.31%
Probability of exploitation in 30 days
70.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-732Incorrect Permission Assignment for Critical Resource