CVE-2020-8590 : What You Need to Know

Clustered Data ONTAP versions prior to 9.1P18 and 9.3P12 are susceptible to a vulnerability that could allow an attacker to discover node names via AutoSupport bundles even when the -remove-private-data parameter is set to true.

Understanding CVE-2020-8590

This CVE involves a disclosure of sensitive information vulnerability in Clustered Data ONTAP.

What is CVE-2020-8590?

CVE-2020-8590 is a security vulnerability in Clustered Data ONTAP versions prior to 9.1P18 and 9.3P12 that enables attackers to uncover node names through AutoSupport bundles despite the -remove-private-data parameter being enabled.

The Impact of CVE-2020-8590

The vulnerability allows malicious actors to access sensitive information, compromising the confidentiality of node names within the affected system.

Technical Details of CVE-2020-8590

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

Vulnerability Description

The vulnerability in Clustered Data ONTAP versions prior to 9.1P18 and 9.3P12 permits unauthorized disclosure of node names via AutoSupport bundles, even when the -remove-private-data parameter is configured to protect this information.

Affected Systems and Versions

Product: Clustered Data ONTAP
Versions Affected: Prior to 9.1P18 and 9.3P12

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging AutoSupport bundles to extract node names, bypassing the intended data protection measures.

Mitigation and Prevention

Protecting systems from CVE-2020-8590 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update to the latest patched versions of Clustered Data ONTAP (9.1P18 and 9.3P12) to mitigate the vulnerability.
Regularly monitor and review AutoSupport configurations to ensure sensitive information is adequately protected.

Long-Term Security Practices

Implement strict access controls and permissions to limit unauthorized access to sensitive data.
Conduct regular security audits and assessments to identify and address potential vulnerabilities.

Patching and Updates

Apply security patches and updates provided by NetApp to address the CVE-2020-8590 vulnerability.