CVE-2020-9761 Explained : Impact and Mitigation

An issue was discovered in UNCTAD ASYCUDA World 2001 through 2020. The Java RMI Server has an Insecure Default Configuration, leading to Java Code Execution from a remote URL because an RMI Distributed Garbage Collector method is called.

Understanding CVE-2020-9761

This CVE identifies a vulnerability in UNCTAD ASYCUDA World versions 2001 through 2020 that allows for Java code execution from a remote URL due to an insecure default configuration in the Java RMI Server.

What is CVE-2020-9761?

The vulnerability in UNCTAD ASYCUDA World versions 2001 through 2020 allows attackers to execute Java code remotely by exploiting the insecure default configuration in the Java RMI Server.

The Impact of CVE-2020-9761

This vulnerability can lead to unauthorized remote code execution, potentially compromising the confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2020-9761

This section provides technical details about the vulnerability.

Vulnerability Description

The issue arises from an insecure default configuration in the Java RMI Server, enabling attackers to execute Java code remotely by invoking an RMI Distributed Garbage Collector method.

Affected Systems and Versions

UNCTAD ASYCUDA World 2001 through 2020

Exploitation Mechanism

Attackers can exploit this vulnerability by calling the RMI Distributed Garbage Collector method, allowing them to execute Java code from a remote URL.

Mitigation and Prevention

Protecting systems from CVE-2020-9761 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable unnecessary services and ports to reduce the attack surface
Implement network segmentation to limit the impact of potential attacks
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities
Conduct security assessments and penetration testing to identify and remediate weaknesses
Educate users and administrators about secure coding practices and potential threats

Patching and Updates

Apply patches or updates provided by the vendor to fix the insecure default configuration in the Java RMI Server