CVE-2020-25911 Explained : Impact and Mitigation

A XML External Entity (XXE) vulnerability was discovered in the modRestServiceRequest component in MODX CMS 2.7.3 which can lead to an information disclosure or denial of service (DOS).

Understanding CVE-2020-25911

This CVE involves an XXE vulnerability in MODX CMS 2.7.3, potentially resulting in information disclosure or DOS.

What is CVE-2020-25911?

CVE-2020-25911 is an XXE vulnerability found in the modRestServiceRequest component of MODX CMS 2.7.3, allowing attackers to exploit the system for information disclosure or denial of service attacks.

The Impact of CVE-2020-25911

The vulnerability can lead to sensitive information exposure or disrupt the availability of the affected system, posing a risk to data confidentiality and system integrity.

Technical Details of CVE-2020-25911

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability lies in the modRestServiceRequest component of MODX CMS 2.7.3, enabling attackers to trigger XXE attacks, potentially leading to information leaks or service disruptions.

Affected Systems and Versions

Affected Product: MODX CMS 2.7.3
Vendor: MODX
Version Status: Affected

Exploitation Mechanism

Attackers can exploit the XXE vulnerability in the modRestServiceRequest component to manipulate XML input and access sensitive data or cause a denial of service.

Mitigation and Prevention

Protecting systems from CVE-2020-25911 is crucial to maintain security.

Immediate Steps to Take

Update MODX CMS to a patched version that addresses the XXE vulnerability.
Implement strict input validation to prevent malicious XML input.
Monitor system logs for any suspicious activities indicating XXE exploitation.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate developers and administrators on secure coding practices to prevent XXE and other common vulnerabilities.

Patching and Updates

Stay informed about security updates released by MODX and promptly apply patches to mitigate known vulnerabilities.