CVE-2021-21595 : What You Need to Know

Dell EMC PowerScale OneFS versions 8.2.x - 9.1.1.x are affected by an improper neutralization of special elements used in an OS command, potentially allowing the compadmin user to escalate privileges. This vulnerability is classified as critical for Smartlock WORM compliance mode clusters. Dell recommends immediate update/upgrade.

Understanding CVE-2021-21595

This section provides insight into the impact, technical details, and mitigation strategies related to CVE-2021-21595.

What is CVE-2021-21595?

CVE-2021-21595 is a vulnerability in Dell EMC PowerScale OneFS versions 8.2.x - 9.1.1.x that could enable unauthorized privilege escalation through improper neutralization of special elements in OS commands.

The Impact of CVE-2021-21595

The vulnerability poses a medium-severity risk with a CVSS base score of 6. It affects local attack vectors with high availability and integrity impacts. The confidentiality impact is rated as none.

Technical Details of CVE-2021-21595

Get detailed technical insights into the vulnerability including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The improper neutralization of special elements in OS commands exposes a security flaw, allowing unauthorized privilege escalation.

Affected Systems and Versions

Dell EMC PowerScale OneFS versions 8.2.x - 9.1.1.x are confirmed to be affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by a compadmin user to gain elevated privileges within the affected systems.

Mitigation and Prevention

Learn the necessary steps to address and prevent CVE-2021-21595 effectively.

Immediate Steps to Take

It is crucial for users to update or upgrade Dell EMC PowerScale OneFS versions 8.2.x - 9.1.1.x to the latest secure versions to mitigate the risk of unauthorized privilege escalation.

Long-Term Security Practices

Implement robust security measures and access controls within your systems to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor security advisories from Dell to apply patches promptly and ensure the continued security of your infrastructure.