Description Preview
Overview
CVE-2020-22656 affects a wide range of Ruckus wireless access points and controllers. The vulnerability targets the Secure Boot mechanism, which is designed to ensure that only authorized firmware runs on the device. By exploiting this vulnerability, attackers can force the Secure Boot process into a failed state, potentially allowing unauthorized code execution or causing denial of service. This issue affects multiple product lines including R-series access points (R310, R500, R600), T-series access points (T300, T301n, T301s), and controller products such as SmartCell Gateway, SmartZone, and ZoneDirector series with various firmware versions.
Remediation
Ruckus has addressed this vulnerability in updated firmware versions. Users should upgrade to the following versions or later:
- SmartCell Gateway 200 (SCG200): 3.6.2.0.795 or later
- SmartZone 100 (SZ-100): 3.6.2.0.795 or later
- SmartZone 300 (SZ300): 3.6.2.0.795 or later
- Virtual SmartZone (vSZ): 3.6.2.0.795 or later
For ZoneDirector and access point products, check the Ruckus security bulletin for specific update recommendations. As a general security practice, ensure that management interfaces for these devices are not exposed to untrusted networks, implement strong authentication mechanisms, and regularly monitor system logs for suspicious activities.
References
- Original vulnerability disclosure: https://hdhrmi.blogspot.com/2020/03/multiple-vulnerabilities-in-ruckus.html?m=1
- Vendor security bulletin with patch information: https://support.ruckuswireless.com/security_bulletins/302
Industry ExposureMost to leastThis section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
- Accommodation & Food ServicesAccommodation & Food Services
- Administrative, Support, Waste Management & Remediation ServicesAdministrative, Support, Waste Management & Remediation Services
- Agriculture, Forestry Fishing & HuntingAgriculture, Forestry Fishing & Hunting
- Arts, Entertainment & RecreationArts, Entertainment & Recreation
- ConstructionConstruction
- Educational ServicesEducational Services
- Finance and InsuranceFinance and Insurance
- Health Care & Social AssistanceHealth Care & Social Assistance
- InformationInformation
- Management of Companies & EnterprisesManagement of Companies & Enterprises
- ManufacturingManufacturing
- MiningMining
- Other Services (except Public Administration)Other Services (except Public Administration)
- Professional, Scientific, & Technical ServicesProfessional, Scientific, & Technical Services
- Public AdministrationPublic Administration
- Real Estate Rental & LeasingReal Estate Rental & Leasing
- Retail TradeRetail Trade
- Transportation & WarehousingTransportation & Warehousing
- UtilitiesUtilities
- Wholesale TradeWholesale Trade
