CVE-2020-26192 : Vulnerability Insights and Analysis

Dell EMC PowerScale OneFS versions 8.2.0 - 9.1.0 have a privilege escalation vulnerability that could be exploited by non-admin users. This CVE was published on December 18, 2020.

Understanding CVE-2020-26192

This CVE affects Dell's PowerScale OneFS storage solution, potentially allowing unauthorized users to escalate their privileges.

What is CVE-2020-26192?

CVE-2020-26192 is a privilege escalation vulnerability in Dell EMC PowerScale OneFS versions 8.2.0 - 9.1.0. Non-admin users with specific privileges could exploit this vulnerability to access sensitive data, manipulate system software, or disrupt services.

The Impact of CVE-2020-26192

The vulnerability has a CVSS base score of 7.8, indicating a high severity level. It poses a significant risk to confidentiality, integrity, and availability, with low privileges required for exploitation.

Technical Details of CVE-2020-26192

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

Vulnerability Description

The vulnerability in Dell EMC PowerScale OneFS allows non-admin users with certain privileges to potentially read arbitrary data, tamper with system software, or disrupt services.

Affected Systems and Versions

Product: PowerScale OneFS
Vendor: Dell
Versions Affected: 8.2.0 - 9.1.0
Status: Affected
Version Type: Custom
Versions Less Than: 8.2.2, 9.1+

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

Protecting systems from CVE-2020-26192 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security updates provided by Dell promptly.
Restrict access to vulnerable systems to authorized personnel only.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly review and update user privileges to minimize the risk of unauthorized access.
Conduct security training for users to raise awareness of potential threats.
Implement network segmentation to contain and mitigate potential breaches.

Patching and Updates

Dell has released security updates to address this vulnerability. Ensure that systems are updated to versions 8.2.2 or above to mitigate the risk of exploitation.