CVE-2021-21567 : Vulnerability Insights and Analysis
Learn about CVE-2021-21567, a high-severity privilege elevation vulnerability in Dell PowerScale OneFS 9.1.0.x. Find out how to mitigate the risk and apply necessary security updates.
This article provides detailed information on CVE-2021-21567, a vulnerability found in Dell PowerScale OneFS 9.1.0.x which could allow privilege elevation for authenticated users with specific privileges.
Understanding CVE-2021-21567
CVE-2021-21567 is a vulnerability identified in Dell PowerScale OneFS 9.1.0.x, impacting users with certain privilege levels.
What is CVE-2021-21567?
The CVE-2021-21567 vulnerability in Dell PowerScale OneFS 9.1.0.x involves improper privilege management which can enable an authenticated user with ISI_PRIV_LOGIN_SSH and/or ISI_PRIV_LOGIN_CONSOLE to increase their privileges.
The Impact of CVE-2021-21567
This vulnerability poses a high risk as it allows an authenticated user to exploit the system and elevate their privileges, potentially leading to unauthorized access and control over critical resources.
Technical Details of CVE-2021-21567
Detailed technical aspects of CVE-2021-21567 are crucial for understanding the nature and impact of the vulnerability.
Vulnerability Description
Dell PowerScale OneFS 9.1.0.x is affected by an improper privilege management vulnerability. Users with specific privileges can exploit this flaw to escalate their access rights.
Affected Systems and Versions
The vulnerability impacts Dell PowerScale OneFS version 9.1.0.x specifically. Users of this version are at risk of privilege elevation.
Exploitation Mechanism
Authenticated users with ISI_PRIV_LOGIN_SSH and/or ISI_PRIV_LOGIN_CONSOLE privileges can exploit this vulnerability to gain higher privileges than intended.
Mitigation and Prevention
To address CVE-2021-21567, immediate actions and long-term security practices are recommended.
Immediate Steps to Take
Affected users should restrict access rights, monitor privileged user activities, and apply security updates promptly.
Long-Term Security Practices
Implementing the principle of least privilege, conducting regular security audits, and providing security awareness training can help prevent similar vulnerabilities in the future.
Patching and Updates
Dell has released security updates to address the CVE-2021-21567 vulnerability. Users should apply these patches without delay to secure their systems.