CVE-2020-22656 Explained : Impact and Mitigation

CVE-2020-22656 is a vulnerability found in various Ruckus products and SmartZone Gateways that can lead to a Secure Boot failure state.

Understanding CVE-2020-22656

This CVE identifies a security issue that affects multiple Ruckus wireless products and SmartZone Gateways, potentially allowing attackers to manipulate the Secure Boot process.

What is CVE-2020-22656?

The vulnerability in Ruckus products and SmartZone Gateways can be exploited by threat actors to induce a Secure Boot failure state, known as rfwd.

The Impact of CVE-2020-22656

The exploitation of this vulnerability could result in a compromised Secure Boot process, potentially leading to unauthorized access or control over the affected devices.

Technical Details of CVE-2020-22656

This section provides more in-depth technical information about the CVE-2020-22656 vulnerability.

Vulnerability Description

The vulnerability allows attackers to force the Secure Boot process into a failed state (rfwd) on the affected Ruckus products and SmartZone Gateways.

Affected Systems and Versions

Ruckus R310 10.5.1.0.199
Ruckus R500 10.5.1.0.199
Ruckus R600 10.5.1.0.199
Ruckus T300 10.5.1.0.199
Ruckus T301n 10.5.1.0.199
Ruckus T301s 10.5.1.0.199
SmartCell Gateway 200 (SCG200) before 3.6.2.0.795
SmartZone 100 (SZ-100) before 3.6.2.0.795
SmartZone 300 (SZ300) before 3.6.2.0.795
Virtual SmartZone (vSZ) before 3.6.2.0.795
ZoneDirector 1100 9.10.2.0.130
ZoneDirector 1200 10.2.1.0.218
ZoneDirector 3000 10.2.1.0.218
ZoneDirector 5000 10.0.1.0.151

Exploitation Mechanism

The vulnerability can be exploited by attackers to manipulate the Secure Boot process, potentially leading to a failed state (rfwd) on the affected devices.

Mitigation and Prevention

To address CVE-2020-22656, users and administrators should take the following steps:

Immediate Steps to Take

Monitor vendor updates and security advisories for patches related to this vulnerability.
Implement recommended security configurations and best practices to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update firmware and software on affected devices to ensure they are protected against known vulnerabilities.
Conduct security assessments and penetration testing to identify and address any potential security weaknesses.

Patching and Updates

Apply patches and updates provided by Ruckus Wireless for the affected products to remediate the vulnerability and enhance the security posture of the devices.