Path Traversal in Openc3 Cosmos
CVE-2025-28384
An issue in the /script-api/scripts/ endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.009 (57.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000
Affected products
- Openc3 Cosmos — versions 6.0.0
Weakness classification (CWE)
References
- openc3.com/ (Product)
- visionspace.com/openc3-cosmos-a-security-assessment-of-an-open-source-mission-f… (Exploit, Third Party Advisory, Mitigation)
- github.com/OpenC3/cosmos/releases/tag/v6.1.0
- github.com/OpenC3/cosmos/pull/1828
- github.com/OpenC3/cosmos/pull/1828/commits/fc7e11310a7cdf9f1939886e1b29009db4d4…
Frequently asked questions
- What is CVE-2025-28384?
- CVE-2025-28384 is a critical-severity vulnerability in Openc3 Cosmos, classified under Path Traversal. CVSS score: 9.1/10. Published 2025-06-13.
- How severe is CVE-2025-28384?
- Critical severity. CVSS v3 base score is 9.1 out of 10.