CVE-2021-21589 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-21589 affecting Dell Unity, Unity XT, and UnityVSA versions. Learn the technical details, mitigation steps, and prevention methods.
Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.1.0.0.5.394 have a vulnerability that allows a local authenticated service user to escalate privileges. Learn more about the impact, technical details, and prevention methods related to CVE-2021-21589.
Understanding CVE-2021-21589
This section provides insights into the CVE-2021-21589 vulnerability affecting Dell's Unity, Unity XT, and UnityVSA versions.
What is CVE-2021-21589?
Dell EMC Unity, Unity XT, and UnityVSA versions before 5.1.0.0.5.394 do not exit on failed Initialization, leading to a potential privilege escalation for a local authenticated service user.
The Impact of CVE-2021-21589
With a CVSS base score of 5.7, this vulnerability poses a medium severity risk. The vulnerability has a high impact on availability and integrity, requiring high privileges but no user interaction.
Technical Details of CVE-2021-21589
Delve deeper into the technical aspects of CVE-2021-21589 to understand its implications on affected systems.
Vulnerability Description
The vulnerability arises from Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.1.0.0.5.394 not exiting on failed initialization, potentially allowing an authenticated local user to escalate privileges.
Affected Systems and Versions
The affected systems include Dell's Unity, Unity XT, and UnityVSA versions before 5.1.0.0.5.394 where the vulnerability resides.
Exploitation Mechanism
A local authenticated service user can exploit this vulnerability to elevate their privileges, impacting the availability and integrity of the system.
Mitigation and Prevention
Explore the mitigation strategies and preventive measures to safeguard your system from CVE-2021-21589.
Immediate Steps to Take
Immediately update Dell EMC Unity, Unity XT, and UnityVSA versions to 5.1.0.0.5.394 or newer to mitigate the privilege escalation risk.
Long-Term Security Practices
Implement proper access controls, monitor user activities, and conduct regular security audits to enhance the overall security posture.
Patching and Updates
Stay informed about security patches and updates from Dell to address vulnerabilities like CVE-2021-21589 and ensure system protection.