What’s Vulnerable › Vulnerabilities
CVE-2025-30038: Session ID leakage in Zone.Identifier of downloaded files
- Severity: high (CVSS 7.3 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-08-27 · updated 2026-06-17
- Weakness: CWE-1230
Description
The vulnerability consists of a session ID leak when saving a file downloaded from CGM CLININET. The identifier is exposed through a built-in Windows security feature that stores additional metadata in an NTFS alternate data stream (ADS) for all files downloaded from potentially untrusted sources.
Affected products
- CGM CLININET: before 2025.MS1 — fixed in 2025.MS1
How to fix
Upgrade to a fixed version: CGM CLININET 2025.MS1. Check the vendor advisory for mitigations.
References
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