Schneider Electric SoMachine HVAC 2.1.0 DLL Loader access control

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

A vulnerability was found in Schneider Electric SoMachine HVAC 2.1.0 (SCADA Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the component DLL Loader. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-284. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 05/16/2017. The weakness was published 06/07/2017 by Himanshu Mehta (Website). The advisory is shared at schneider-electric.com. This vulnerability is known as CVE-2017-7966 since 04/19/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98446). Similar entry is available at 102084.

Productinfoedit

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CPE 2.3infoedit

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

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-284
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

04/19/2017 🔍
05/05/2017 +16 days 🔍
05/16/2017 +11 days 🔍
06/07/2017 +22 days 🔍
06/07/2017 +0 days 🔍
06/08/2017 +1 days 🔍
12/26/2020 +1297 days 🔍

Sourcesinfoedit

Vendor: https://www.schneider-electric.com/

Advisory: schneider-electric.com
Researcher: Himanshu Mehta
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7966 (🔍)
SecurityFocus: 98446 - Schneider Electric SoMachine HVAC DLL Loading Remote Code Execution Vulnerability

See also: 🔍

Entryinfoedit

Created: 06/08/2017 08:41 AM
Updated: 12/26/2020 01:33 PM
Changes: (3) advisory_person_name software_type vulnerability_cvss2_nvd_basescore
Complete: 🔍

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