CVE-2020-3956 Explained : Impact and Mitigation

VMware Cloud Director 10.0.x before 10.0.0.2, 9.7.0.x before 9.7.0.5, 9.5.0.x before 9.5.0.6, and 9.1.0.x before 9.1.0.4 are vulnerable to a code injection flaw that could allow arbitrary remote code execution.

Understanding CVE-2020-3956

VMware Cloud Director versions are susceptible to a code injection vulnerability that can be exploited by authenticated actors.

What is CVE-2020-3956?

This CVE refers to a security vulnerability in VMware Cloud Director versions that could enable an attacker to execute arbitrary remote code by sending malicious traffic to the affected system.

The Impact of CVE-2020-3956

The vulnerability allows for arbitrary remote code execution, posing a significant risk to the confidentiality, integrity, and availability of the VMware Cloud Director platform.

Technical Details of CVE-2020-3956

VMware Cloud Director versions are affected by a code injection vulnerability that can be exploited by authenticated actors.

Vulnerability Description

The flaw arises from improper input handling, enabling attackers to inject malicious code into the system, potentially leading to remote code execution.

Affected Systems and Versions

VMware Cloud Director 10.0.x before 10.0.0.2
VMware Cloud Director 9.7.0.x before 9.7.0.5
VMware Cloud Director 9.5.0.x before 9.5.0.6
VMware Cloud Director 9.1.0.x before 9.1.0.4

Exploitation Mechanism

The vulnerability can be exploited through various interfaces, including HTML5- and Flex-based UIs, the API Explorer interface, and API access.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-3956.

Immediate Steps to Take

Apply the necessary security patches provided by VMware.
Monitor and restrict network traffic to the VMware Cloud Director system.
Implement strong authentication mechanisms to prevent unauthorized access.

Long-Term Security Practices

Regularly update and patch VMware Cloud Director to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

VMware has released patches to address the vulnerability. Ensure timely application of these patches to secure the system.