Path Traversal in Cisa Thorium
CVE-2025-35430
CISA Thorium does not adequately validate the paths of downloaded files via 'download_ephemeral' and 'download_children'. A remote, authenticated attacker could access arbitrary files subject to file system permissions. Fixed in 1.1.2.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Cisa Thorium — versions 1.0.0, 1.1.2
Weakness classification (CWE)
References
- 9119a7d8-5eab-497f-8521-727c672e3725 (Release Notes)
- 9119a7d8-5eab-497f-8521-727c672e3725 (Product)
- 9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory)
- 9119a7d8-5eab-497f-8521-727c672e3725 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-35430?
- CVE-2025-35430 is a medium-severity vulnerability in Cisa Thorium, classified under Path Traversal. CVSS score: 5.0/10. Published 2025-09-17.
- How severe is CVE-2025-35430?
- Medium severity. CVSS v3 base score is 5.0 out of 10.