CVE-2019-6826 Explained : Impact and Mitigation

An issue with the security of SoMachine HVAC v2.4.1 and earlier versions has been discovered, posing a risk of executing unauthorized code on the system.

Understanding CVE-2019-6826

This CVE identifies a CWE-426: Untrusted Search Path vulnerability in SoMachine HVAC.

What is CVE-2019-6826?

The CVE-2019-6826 vulnerability in SoMachine HVAC v2.4.1 and earlier versions allows the execution of unauthorized code if a harmful DLL library is loaded by the product.

The Impact of CVE-2019-6826

The vulnerability could lead to arbitrary code execution on systems running SoMachine HVAC, potentially compromising system integrity and security.

Technical Details of CVE-2019-6826

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability, identified as CWE-426: Untrusted Search Path, enables the execution of unauthorized code when a malicious DLL library is loaded by SoMachine HVAC.

Affected Systems and Versions

Product: SoMachine HVAC
Vendor: Schneider Electric SE
Versions Affected: v2.4.1 and earlier versions

Exploitation Mechanism

The vulnerability can be exploited by loading a harmful DLL library into the SoMachine HVAC system, allowing attackers to execute unauthorized code.

Mitigation and Prevention

Protecting systems from CVE-2019-6826 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Schneider Electric SE promptly.
Monitor for any unauthorized DLL library loading in the system.

Long-Term Security Practices

Implement robust access controls to prevent unauthorized system modifications.
Conduct regular security assessments and audits to identify and address vulnerabilities.

Patching and Updates

Regularly update SoMachine HVAC to the latest version to mitigate known vulnerabilities and enhance system security.