V-Zug Combi-Steam MSLQ prior Ethernet R07/WLAN R05 improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in V-Zug Combi-Steam MSLQ. It has been classified as critical. This affects some unknown functionality. The manipulation with an unknown input leads to a weak authentication vulnerability. CWE is classifying the issue as CWE-287. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 05/18/2018. The weakness was published 09/30/2019 by Marc Ruef with scip AG as ID 134115 as confirmed entry (VulDB). It is possible to read the advisory at vuldb.com. The public release has been coordinated with V-Zug. This vulnerability is uniquely identified as CVE-2019-17219 since 10/06/2019. The attack can only be initiated within the local network. No form of authentication is needed for exploitation. Technical details are unknown but a private exploit is available. The advisory points out:

By default the device does not enforce an authentication. An adjacent attacker is able to use the network interface without proper authentication.

A private exploit has been developed by Marc Ruef. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 500 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version Ethernet R07 or WLAN R05 eliminates this vulnerability.

Similar entries are available at 134118, 134117 and 134116.




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Weak authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Access: Private
Status: Proof-of-Concept
Author: Marc Ruef

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Combi-Steam MSLQ Ethernet R07/WLAN R05


05/18/2018 🔍
05/22/2018 +4 days 🔍
09/30/2019 +496 days 🔍
09/30/2019 +0 days 🔍
10/06/2019 +6 days 🔍
09/24/2020 +354 days 🔍


Advisory: ID 134115
Researcher: Marc Ruef
Organization: scip AG
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2019-17219 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍


Created: 09/30/2019 08:56 AM
Updated: 09/24/2020 04:33 PM
Changes: (1) source_cve_assigned
Complete: 🔍


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