5.3
MEDIUM CVSS 4.0
CVE-2025-35430
CISA Thorium insecure downloaded file path validation
Description

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.

INFO

Published Date :

Sept. 17, 2025, 5:15 p.m.

Last Modified :

Sept. 17, 2025, 5:15 p.m.

Remotely Exploit :

Yes !

Source :

9119a7d8-5eab-497f-8521-727c672e3725
Affected Products

The following products are affected by CVE-2025-35430 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 9119a7d8-5eab-497f-8521-727c672e3725
CVSS 4.0 MEDIUM 9119a7d8-5eab-497f-8521-727c672e3725
Solution
Update CISA Thorium to version 1.1.2 to fix file path validation issues.
  • Update CISA Thorium to version 1.1.2.
  • Verify downloaded file paths are validated.
  • Restrict file system permissions.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-35430 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-35430 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-35430 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 9119a7d8-5eab-497f-8521-727c672e3725

    Sep. 17, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
    Added CWE CWE-22
    Added Reference https://github.com/cisagov/thorium/blob/main/api/src/utils/bounder.rs#L120-L158
    Added Reference https://github.com/cisagov/thorium/releases/tag/1.1.2
    Added Reference https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json
    Added Reference https://www.cve.org/CVERecord?id=CVE-2025-35430
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.3
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 5.0
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact