CVE-2021-46063 : Security Advisory and Response

MCMS v5.2.5 was found to have a Server Side Template Injection (SSTI) vulnerability through the Template Management module.

Understanding CVE-2021-46063

This CVE describes a specific vulnerability in MCMS v5.2.5 that can be exploited through SSTI.

What is CVE-2021-46063?

MCMS v5.2.5 contains a Server Side Template Injection vulnerability that can be triggered via the Template Management module.

The Impact of CVE-2021-46063

The vulnerability allows an attacker to execute arbitrary code on the server, potentially leading to data theft, system compromise, or further attacks.

Technical Details of CVE-2021-46063

This section provides more in-depth technical information about the CVE.

Vulnerability Description

MCMS v5.2.5 is susceptible to SSTI, enabling attackers to inject and execute malicious code within server-side templates.

Affected Systems and Versions

Affected Product: MCMS v5.2.5
Affected Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability through the Template Management module to inject and execute malicious server-side templates.

Mitigation and Prevention

Protect your systems from CVE-2021-46063 by following these strategies.

Immediate Steps to Take

Disable or restrict access to the Template Management module.
Implement input validation to prevent unauthorized code execution.

Long-Term Security Practices

Regularly update MCMS to the latest version to patch known vulnerabilities.
Conduct security assessments and code reviews to identify and address potential security issues.

Patching and Updates

Apply patches or updates provided by the vendor to mitigate the SSTI vulnerability in MCMS v5.2.5.