Schneider Electric SoMachine HVAC up to 2.4.1 DLL Loader Search Path untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Schneider Electric SoMachine HVAC up to 2.4.1. It has been classified as critical. This issue affects some unknown processing of the component DLL Loader. This manipulation as part of Search Path causes untrusted search path. This vulnerability is tracked as CVE-2019-6826. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in Schneider Electric SoMachine HVAC up to 2.4.1. It has been declared as critical. Affected by this vulnerability is an unknown code block of the component DLL Loader. The manipulation as part of a Search Path leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A CWE-426: Untrusted Search Path vulnerability exists in SoMachine HVAC v2.4.1 and earlier versions, which could cause arbitrary code execution on the system running SoMachine HVAC when a malicious DLL library is loaded by the product.

The weakness was disclosed 09/17/2019 (Website). The advisory is shared at schneider-electric.com. This vulnerability is known as CVE-2019-6826 since 01/25/2019. An attack has to be approached locally. The requirement for exploitation is a single authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1574 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/25/2019 🔍
09/17/2019 +235 days 🔍
09/18/2019 +1 days 🔍
08/28/2020 +345 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

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

CVE: CVE-2019-6826 (🔍)
GCVE (CVE): GCVE-0-2019-6826
GCVE (VulDB): GCVE-100-141937

Entryinfo

Created: 09/18/2019 11:25
Updated: 08/28/2020 22:01
Changes: 09/18/2019 11:25 (56), 08/28/2020 22:01 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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