CVE-2020-18890 : What You Need to Know

A Remote Code Execution (RCE) vulnerability in puppyCMS v5.1 allows a remote malicious user to execute arbitrary code via insecure permissions in /admin/functions.php.

Understanding CVE-2020-18890

This CVE involves a critical security issue in puppyCMS v5.1 that could lead to unauthorized code execution by remote attackers.

What is CVE-2020-18890?

The vulnerability in puppyCMS v5.1 enables remote attackers to exploit insecure permissions, potentially resulting in the execution of arbitrary code.

The Impact of CVE-2020-18890

The vulnerability poses a severe risk as it allows remote malicious users to gain unauthorized access and execute arbitrary commands on the affected system.

Technical Details of CVE-2020-18890

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The RCE vulnerability in puppyCMS v5.1 arises from inadequate permission controls, enabling attackers to execute malicious code through /admin/functions.php.

Affected Systems and Versions

Affected Product: puppyCMS v5.1
Vendor: Not applicable
Affected Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the insecure permissions in /admin/functions.php to execute arbitrary code remotely.

Mitigation and Prevention

Protecting systems from CVE-2020-18890 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable access to vulnerable files or directories, especially /admin/functions.php.
Implement strict access controls and regularly monitor for unauthorized access attempts.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.
Keep software and systems up to date with the latest security patches and updates.

Patching and Updates

Ensure that puppyCMS is updated to a secure version that addresses the RCE vulnerability to prevent exploitation.