CVE-2020-26181 Explained : Impact and Mitigation
Learn about CVE-2020-26181 affecting Dell EMC Isilon OneFS and PowerScale OneFS. Discover the impact, affected versions, and mitigation steps for this privilege escalation vulnerability.
Dell EMC Isilon OneFS versions 8.1 and later and Dell EMC PowerScale OneFS version 9.0.0 contain a privilege escalation vulnerability on a SmartLock Compliance mode cluster.
Understanding CVE-2020-26181
This CVE involves a privilege escalation vulnerability affecting Dell EMC Isilon OneFS and PowerScale OneFS.
What is CVE-2020-26181?
The vulnerability allows the compadmin user to elevate privileges to the root user on a SmartLock Compliance mode cluster.
The Impact of CVE-2020-26181
- CVSS Base Score: 7 (High)
- Severity: High
- Attack Vector: Local
- Attack Complexity: High
- Privileges Required: Low
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2020-26181
This section provides more technical insights into the vulnerability.
Vulnerability Description
The compadmin user with specific privileges can escalate to root user on affected clusters.
Affected Systems and Versions
- Affected Products: PowerScale OneFS
- Vendor: Dell
- Affected Versions: Less than 8.1.2, 8.2.2, 9.0+
- Version Type: Custom
Exploitation Mechanism
The vulnerability can be exploited by the compadmin user using ISI PRIV LOGIN SSH or ISI PRIV LOGIN CONSOLE.
Mitigation and Prevention
Protect your systems from this vulnerability with the following steps:
Immediate Steps to Take
- Apply the security update provided by Dell.
- Restrict compadmin user privileges.
- Monitor and audit user activities.
Long-Term Security Practices
- Regularly update and patch your systems.
- Implement the principle of least privilege.
- Conduct security training for system administrators.
- Employ network segmentation to limit lateral movement.
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the vulnerability.