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CVE-2019-10976 Explained : Impact and Mitigation

Learn about CVE-2019-10976 affecting Mitsubishi Electric FR Configurator2, Version 1.16S and earlier. Find out the impact, technical details, and mitigation steps to secure your system.

Mitsubishi Electric FR Configurator2, Version 1.16S and earlier, is vulnerable to improper input sanitization in XML parsing, potentially allowing unauthorized access to system files.

Understanding CVE-2019-10976

This CVE identifies a security flaw in Mitsubishi Electric FR Configurator2 that could be exploited by attackers to read arbitrary files on the system.

What is CVE-2019-10976?

The vulnerability arises from the XML parser's failure to properly sanitize input during the parsing of XML project and template files, enabling attackers to access and read any file on the system.

The Impact of CVE-2019-10976

If exploited, this vulnerability could lead to unauthorized disclosure of sensitive information and compromise the integrity of the affected system.

Technical Details of CVE-2019-10976

Mitsubishi Electric FR Configurator2, Version 1.16S and prior, is susceptible to the following:

Vulnerability Description

        Improper input sanitization in XML parsing

Affected Systems and Versions

        Product: Mitsubishi Electric FR Configurator2
        Vendor: Mitsubishi Electric
        Versions Affected: Version 1.16S and prior

Exploitation Mechanism

        Attackers can exploit the vulnerability by manipulating XML project and template files (.frc2) to gain unauthorized access to system files.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-10976:

Immediate Steps to Take

        Update Mitsubishi Electric FR Configurator2 to the latest version that includes a patch for this vulnerability
        Avoid opening files from untrusted or unknown sources

Long-Term Security Practices

        Regularly update software and firmware to mitigate potential vulnerabilities
        Implement network segmentation and access controls to limit exposure to attacks

Patching and Updates

        Apply security patches provided by Mitsubishi Electric to fix the vulnerability and enhance system security

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