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CVE-2021-40881 Explained : Impact and Mitigation

Learn about CVE-2021-40881, a vulnerability in PublicCMS v4.0 that allows arbitrary code execution. Find out the impact, affected systems, and mitigation steps.

PublicCMS v4.0 BAT File Parameters Arbitrary Code Execution Vulnerability

Understanding CVE-2021-40881

PublicCMS v4.0 is susceptible to an arbitrary code execution flaw via BAT file parameters.

What is CVE-2021-40881?

This CVE describes a vulnerability in the BAT file parameters of PublicCMS v4.0 that enables malicious actors to execute arbitrary code.

The Impact of CVE-2021-40881

The vulnerability allows attackers to run unauthorized code on affected systems, potentially leading to system compromise.

Technical Details of CVE-2021-40881

PublicCMS v4.0 contains the following technical details:

Vulnerability Description

        Affected Version: PublicCMS v4.0
        Vulnerability Type: Arbitrary code execution
        Attack Vector: Remote

Affected Systems and Versions

        Product: PublicCMS
        Version: 4.0

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating BAT file parameters to execute malicious code.

Mitigation and Prevention

Immediate Steps to Take

        Disable BAT file execution permissions
        Regular monitoring of system logs for suspicious activities

Long-Term Security Practices

        Implement principle of least privilege
        Conduct regular security audits and penetration testing

Patching and Updates

        Apply security patches provided by the software vendor

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