Vulnerability · Published Aug 27, 2025 · Assigned by CERT-PL
CVE-2025-30038Session ID leakage in Zone.Identifier of downloaded files
High 7.3
In plain English
A high-severity security flaw in CGM CLININET from CGM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 4.0)7.3High
Exploit odds (30 days)0.2%top 93.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CGM | CGM CLININET | 0 – before 2025.MS1 |
Weakness: CWE-1230 · Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H