CVE-2021-27005 : What You Need to Know

Clustered Data ONTAP versions 9.6 and higher are vulnerable to a Denial of Service (DoS) attack. This CVE allows a remote attacker to crash the httpd server, impacting the availability of the system.

Understanding CVE-2021-27005

This CVE identifies a vulnerability in Clustered Data ONTAP versions 9.6 and above, making them susceptible to DoS attacks.

What is CVE-2021-27005?

CVE-2021-27005 pertains to a security flaw in Clustered Data ONTAP versions 9.6 and higher that enables attackers to trigger a crash in the httpd server.

The Impact of CVE-2021-27005

The vulnerability poses a risk of denial of service, potentially leading to system unavailability due to the httpd server crash.

Technical Details of CVE-2021-27005

This section covers the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The CVE affects Clustered Data ONTAP versions 9.6 and higher, allowing remote attackers to cause an httpd server crash.

Affected Systems and Versions

Clustered Data ONTAP versions 9.6 and higher up to 9.6P16, 9.7P16, 9.8P7, and 9.9.1P3 are impacted by this vulnerability.

Exploitation Mechanism

Malicious actors can exploit this vulnerability remotely to trigger a crash in the httpd server, disrupting system availability.

Mitigation and Prevention

To address CVE-2021-27005, immediate steps should be taken alongside long-term security practices and timely patching.

Immediate Steps to Take

Network administrators should apply the vendor-released patches promptly to mitigate the risk of exploitation.

Long-Term Security Practices

Regular security updates, network monitoring, and access controls can enhance the overall security posture, reducing the likelihood of successful attacks.

Patching and Updates

Stay informed about security advisories and ensure timely installation of patches for Clustered Data ONTAP to safeguard against CVE-2021-27005.