CVE-2020-26193 : Security Advisory and Response

Dell EMC PowerScale OneFS versions 8.1.0 - 9.1.0 contain an improper input validation vulnerability that allows a user to execute arbitrary OS commands with elevated privileges.

Understanding CVE-2020-26193

Dell EMC PowerScale OneFS is affected by a vulnerability that could lead to the execution of arbitrary OS commands.

What is CVE-2020-26193?

The vulnerability in Dell EMC PowerScale OneFS versions 8.1.0 - 9.1.0 allows a user with specific privileges to execute unauthorized OS commands.

The Impact of CVE-2020-26193

The vulnerability has a CVSS base score of 7.8 (High) and can result in the execution of arbitrary OS commands with elevated privileges.

Technical Details of CVE-2020-26193

Dell EMC PowerScale OneFS vulnerability details and affected systems.

Vulnerability Description

The vulnerability arises from improper input validation, enabling users with ISI_PRIV_CLUSTER privilege to execute unauthorized OS commands.

Affected Systems and Versions

Product: PowerScale OneFS
Vendor: Dell
Versions Affected: 8.1.0 - 9.1.0

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality, Integrity, and Availability Impact: High

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2020-26193.

Immediate Steps to Take

Apply security updates provided by Dell promptly.
Restrict access to vulnerable systems.
Monitor for any unauthorized access or activity.

Long-Term Security Practices

Regularly update and patch systems to address vulnerabilities.
Implement the principle of least privilege to limit user access.

Patching and Updates

Dell has released a security update to address this vulnerability.