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.

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)

EPSS: 0.005 (37.5th percentile) — read the EPSS interpretation.

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.

Affected products

Cisa Thorium — versions 1.0.0, 1.1.2

Weakness classification (CWE)

CWE-22 — Path Traversal

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.