CVE-2025-30038 | BDVDB-2026-291256 Detail

CGMCGM CLININET

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.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: adjacent.

Weaknesses#

CWE-1230 Exposure of Sensitive Information Through Metadata

References#

https://cert.pl/en/posts/2025/08/CVE-2025-2313/

Exploit#

No public exploit known

History#

Version 12025-08-27Record published in the CVE List.

Published

Published: 2025-08-27
Last modified: 2025-08-27

Vendor information

Vendor: CGM
Product: CGM CLININET

All CGM vulnerabilities

Score

7.3 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 6.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 2025.MS1
Fixed
2025.MS1

Scoring System

CVSS v4.0

7.3 High

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

Metric breakdown
Attack Vector	Adjacent
Attack Complexity	Low
Attack Requirements	Present
Privileges Required	High
User Interaction	Active
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	High
Subsequent System Integrity	High
Subsequent System Availability	High

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).