CVE-2021-21568 : Security Advisory and Response
Learn about CVE-2021-21568, an insufficient logging vulnerability in Dell EMC PowerScale OneFS 8.2.x - 9.2.x. Understand the impact, affected systems, exploitation, and mitigation steps.
Dell EMC PowerScale OneFS versions 8.2.x - 9.2.x have been found to contain an insufficient logging vulnerability. This vulnerability allows an authenticated user with ISI_PRIV_LOGIN_PAPI to make un-audited and un-trackable configuration changes to settings within their role's privileges.
Understanding CVE-2021-21568
This section will provide an overview of the CVE-2021-21568 vulnerability.
What is CVE-2021-21568?
CVE-2021-21568 is an insufficient logging vulnerability identified in Dell EMC PowerScale OneFS versions 8.2.x - 9.2.x. It enables authenticated users with specific privileges to modify settings without proper auditing and tracking mechanisms.
The Impact of CVE-2021-21568
The impact of this vulnerability is considered medium, with a base CVSS score of 4.3. It poses a risk of unauthorized configuration changes by privileged users, potentially leading to security breaches and system compromises.
Technical Details of CVE-2021-21568
This section will delve into the technical aspects of the CVE-2021-21568 vulnerability.
Vulnerability Description
The insufficient logging vulnerability in Dell EMC PowerScale OneFS versions 8.2.x - 9.2.x allows authenticated users to bypass auditing mechanisms and make untraceable configuration changes.
Affected Systems and Versions
Dell EMC PowerScale OneFS versions 8.2.x - 9.2.x are confirmed to be affected by this vulnerability. Users operating on these versions are advised to take immediate action.
Exploitation Mechanism
By leveraging the ISI_PRIV_LOGIN_PAPI privilege, authenticated users can exploit this vulnerability to manipulate system configurations without leaving behind audit traces.
Mitigation and Prevention
This section will outline the steps to mitigate and prevent the exploitation of CVE-2021-21568.
Immediate Steps to Take
System administrators should enforce strict access controls, monitor user activities diligently, and apply necessary patches to mitigate the risk associated with this vulnerability.
Long-Term Security Practices
Regular security audits, role-based access control reviews, and security awareness training can help organizations enhance their overall security posture and prevent similar vulnerabilities.
Patching and Updates
Dell EMC has released patches to address the insufficient logging vulnerability in PowerScale OneFS 8.2.x - 9.2.x. Users are strongly encouraged to apply these patches promptly to safeguard their systems and data.