CVE-2020-15851 Explained : Impact and Mitigation

Nakivo Backup & Replication Transporter version 9.4.0.r43656 lacks access control, enabling remote users to access unencrypted backup repositories and the Nakivo Controller configuration.

Understanding CVE-2020-15851

This CVE highlights a vulnerability in Nakivo Backup & Replication Transporter version 9.4.0.r43656 that allows unauthorized access to sensitive data.

What is CVE-2020-15851?

The lack of access control in Nakivo Backup & Replication Transporter version 9.4.0.r43656 permits remote users to access unencrypted backup repositories and the Nakivo Controller configuration through a network-accessible transporter service. Additionally, attackers can create or delete backup repositories.

The Impact of CVE-2020-15851

This vulnerability poses a significant risk as it exposes critical data stored in backup repositories and allows unauthorized manipulation of backup configurations.

Technical Details of CVE-2020-15851

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in Nakivo Backup & Replication Transporter version 9.4.0.r43656 arises from the absence of proper access controls, enabling unauthorized users to exploit the system.

Affected Systems and Versions

Affected System: Nakivo Backup & Replication Transporter version 9.4.0.r43656
Affected Versions: 9.4.0.r43656

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the network-accessible transporter service to gain unauthorized access to backup repositories and configuration settings.

Mitigation and Prevention

Protecting systems from CVE-2020-15851 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Nakivo Backup & Replication Transporter to a patched version that addresses the access control issue.
Restrict network access to the transporter service to trusted entities only.

Long-Term Security Practices

Implement strong access control mechanisms to prevent unauthorized access to sensitive data.
Regularly monitor and audit access to backup repositories and configurations.

Patching and Updates

Stay informed about security updates and patches released by Nakivo to address vulnerabilities like CVE-2020-15851.
Promptly apply patches to ensure the security of your systems.