CGM CLININET up to 2025.MS1 client-side authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in CGM CLININET up to 2025.MS1. It has been rated as critical. This issue affects some unknown processing. The manipulation leads to use of client-side authentication. This vulnerability is documented as CVE-2025-30042. The attack requires being on the local network. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in CGM CLININET up to 2025.MS1 and classified as critical. This issue affects an unknown function. The manipulation with an unknown input leads to a use of client-side authentication vulnerability. Using CWE to declare the problem leads to CWE-603. A client/server product performs authentication within client code but not in server code, allowing server-side authentication to be bypassed via a modified client that omits the authentication check. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The CGM CLININET system provides smart card authentication; however, authentication is conducted locally on the client device, and, in reality, only the certificate number is used for access verification. As a result, possession of the certificate number alone is sufficient for authentication, regardless of the actual presence of the smart card or ownership of the private key.

The weakness was released by Maciej Kazulak. The advisory is shared at cert.pl. The identification of this vulnerability is CVE-2025-30042 since 03/14/2025. The exploitation is known to be easy. The attack needs to approached within the local network. Neither technical details nor an exploit are publicly available.

Upgrading to version 2025.MS2 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use of client-side authentication
CWE: CWE-603 / CWE-602
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: CLININET 2025.MS2

Timelineinfo

03/14/2025 CVE reserved
03/02/2026 +353 days Advisory disclosed
03/02/2026 +0 days VulDB entry created
03/11/2026 +9 days VulDB entry last update

Sourcesinfo

Advisory: cert.pl
Researcher: Maciej Kazulak
Status: Confirmed

CVE: CVE-2025-30042 (🔒)
GCVE (CVE): GCVE-0-2025-30042
GCVE (VulDB): GCVE-100-348341

Entryinfo

Created: 03/02/2026 14:03
Updated: 03/11/2026 03:07
Changes: 03/02/2026 14:03 (66), 03/09/2026 20:21 (11), 03/11/2026 03:07 (1)
Complete: 🔍
Cache ID: 216::103

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