CVE-2020-15386 Explained : Impact and Mitigation
Learn about CVE-2020-15386 affecting Brocade Fabric OS versions, leading to high CPU load during security scanning, causing delays in CLI commands and operations. Find mitigation steps here.
Brocade Fabric OS prior to v9.0.1a and 8.2.3a and after v9.0.0 and 8.2.2d may experience high CPU load during security scanning, potentially causing delays in CLI commands and operations.
Understanding CVE-2020-15386
Brocade Fabric OS versions are susceptible to a Denial of Service (DoS) vulnerability, impacting system performance.
What is CVE-2020-15386?
The vulnerability in Brocade Fabric OS versions can lead to a significant increase in CPU load during security scans, resulting in operational slowdowns.
The Impact of CVE-2020-15386
The vulnerability may cause delays in executing CLI commands and other system operations due to the high CPU load induced by security scanning processes.
Technical Details of CVE-2020-15386
Brocade Fabric OS versions are affected by a specific vulnerability that can result in a DoS condition.
Vulnerability Description
The issue arises in Brocade Fabric OS versions prior to v9.0.1a and 8.2.3a, as well as after v9.0.0 and 8.2.2d, where security scans trigger a high CPU load, impacting system responsiveness.
Affected Systems and Versions
- Product: Brocade Fabric OS
- Versions Affected: Brocade Fabric OS versions after v9.0.0 and before v9.0.1a, and Brocade Fabric OS versions after v8.2.2d and before v8.2.3a
Exploitation Mechanism
The vulnerability is exploited through security scanning processes, causing a surge in CPU load and hindering normal system operations.
Mitigation and Prevention
Immediate action and long-term security practices are essential to address and prevent the CVE-2020-15386 vulnerability.
Immediate Steps to Take
- Apply vendor-supplied patches promptly
- Monitor system performance for any signs of abnormal CPU load
- Implement network segmentation to contain potential attacks
Long-Term Security Practices
- Regularly update and patch Brocade Fabric OS versions
- Conduct security audits and scans to detect vulnerabilities
Patching and Updates
- Install the latest patches provided by Brocade to mitigate the vulnerability effectively.