Description Preview
Overview
CVE-2020-4511 affects IBM QRadar SIEM versions 7.3 and 7.4. The vulnerability exists in the qflow process, which is responsible for network flow processing in QRadar. An authenticated attacker could exploit this vulnerability by sending specially crafted sflow commands to the system, causing the qflow process to crash or become unresponsive. This could result in a denial of service condition, preventing the system from properly monitoring and analyzing security events. The vulnerability has been assigned IBM X-Force ID: 182366.
Remediation
To address this vulnerability, IBM has released security patches for affected QRadar SIEM versions. Organizations using IBM QRadar SIEM 7.3 or 7.4 should apply the appropriate patches as soon as possible. The patches can be obtained from the IBM Support page referenced below. Additionally, organizations should consider implementing the following mitigation measures:
- Restrict access to QRadar management interfaces to trusted administrators only
- Monitor for unusual authentication attempts or suspicious activities targeting the QRadar system
- Ensure proper network segmentation to limit exposure of management interfaces
- Keep all QRadar components updated with the latest security patches
References
- IBM Security Bulletin: https://www.ibm.com/support/pages/node/6246135
- IBM X-Force Vulnerability Database: https://exchange.xforce.ibmcloud.com/vulnerabilities/182366
- NIST National Vulnerability Database: https://nvd.nist.gov/vuln/detail/CVE-2020-4511
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.
- ManufacturingManufacturing
- Professional, Scientific, & Technical ServicesProfessional, Scientific, & Technical Services
- 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
- MiningMining
- Other Services (except Public Administration)Other Services (except Public Administration)
- Public AdministrationPublic Administration
- Real Estate Rental & LeasingReal Estate Rental & Leasing
- Retail TradeRetail Trade
- Transportation & WarehousingTransportation & Warehousing
- UtilitiesUtilities
- Wholesale TradeWholesale Trade
