CVE-2020-26195 : What You Need to Know
Learn about CVE-2020-26195, a medium-severity vulnerability in Dell EMC PowerScale OneFS versions 8.1.2 – 9.1.0. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Dell EMC PowerScale OneFS versions 8.1.2 – 9.1.0 contain a vulnerability that could allow a remote unauthenticated attacker to slow down the system by exploiting an issue with the OneFS SMB directory auto-create feature.
Understanding CVE-2020-26195
This CVE involves a security vulnerability in Dell EMC PowerScale OneFS versions 8.1.2 – 9.1.0 that could be exploited by a remote attacker.
What is CVE-2020-26195?
CVE-2020-26195 is a medium-severity vulnerability in Dell EMC PowerScale OneFS versions 8.1.2 – 9.1.0. It stems from an error in the OneFS SMB directory auto-create functionality, leading to the creation of directories for users erroneously.
The Impact of CVE-2020-26195
The vulnerability could be leveraged by a remote unauthenticated attacker to slow down the affected system. The CVSS base score is 5.3, indicating a medium severity level.
Technical Details of CVE-2020-26195
This section provides more technical insights into the CVE.
Vulnerability Description
The issue in Dell EMC PowerScale OneFS versions 8.1.2 – 9.1.0 allows the auto-creation of directories for users, which can be exploited by remote attackers.
Affected Systems and Versions
- Product: PowerScale OneFS
- Vendor: Dell
- Versions Affected: 8.1.2, 8.2.2, 9.0+
- Status: Affected
- Version Type: Custom
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Availability Impact: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Mitigation and Prevention
Protecting systems from CVE-2020-26195 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security updates provided by Dell promptly.
- Monitor network traffic for any suspicious activity.
- Implement strong network access controls.
Long-Term Security Practices
- Regularly update and patch software and systems.
- Conduct security assessments and audits periodically.
- Educate users on cybersecurity best practices.
Patching and Updates
Ensure that the affected Dell EMC PowerScale OneFS versions (8.1.2 – 9.1.0) are updated with the latest security patches to mitigate the vulnerability.